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Finding the Fourth Proportional to 101,047,601.10, 151,571,401.65 and 90,843,933.90

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Solution

The fourth proportional to 101,047,601.10, 151,571,401.65 and 90,843,933.90 is: 136,265,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,047,601.10 : 151,571,401.65 = 90,843,933.90 : x
  2. Step 2: Convert to fraction form
    101,047,601.10/151,571,401.65 = 90,843,933.90/x
  3. Step 3: Cross multiply
    101,047,601.10x = 151,571,401.65 × 90,843,933.90
  4. Step 4: Simplify right side
    101,047,601.10x = 13,769,342,392,622,952
  5. Step 5: Solve for x
    x = 13,769,342,392,622,952/101,047,601.10
  6. Step 6: Final answer
    x = 136,265,900.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.