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Finding the Fourth Proportional to 101,627.70, 152,440.16 and 31,507.01

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Solution

The fourth proportional to 101,627.70, 152,440.16 and 31,507.01 is: 47,260.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,627.70 : 152,440.16 = 31,507.01 : x
  2. Step 2: Convert to fraction form
    101,627.70/152,440.16 = 31,507.01/x
  3. Step 3: Cross multiply
    101,627.70x = 152,440.16 × 31,507.01
  4. Step 4: Simplify right side
    101,627.70x = 4,802,933,645.52
  5. Step 5: Solve for x
    x = 4,802,933,645.52/101,627.70
  6. Step 6: Final answer
    x = 47,260.08

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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.