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Finding the Fourth Proportional to 101,686.98, 152,533.68 and 35,130.90

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Solution

The fourth proportional to 101,686.98, 152,533.68 and 35,130.90 is: 52,697.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,686.98 : 152,533.68 = 35,130.90 : x
  2. Step 2: Convert to fraction form
    101,686.98/152,533.68 = 35,130.90/x
  3. Step 3: Cross multiply
    101,686.98x = 152,533.68 × 35,130.90
  4. Step 4: Simplify right side
    101,686.98x = 5,358,645,458.71
  5. Step 5: Solve for x
    x = 5,358,645,458.71/101,686.98
  6. Step 6: Final answer
    x = 52,697.46

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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.