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Finding the Fourth Proportional to 113,073.50, 169,688.01 and 39,201.50

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Solution

The fourth proportional to 113,073.50, 169,688.01 and 39,201.50 is: 58,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,073.50 : 169,688.01 = 39,201.50 : x
  2. Step 2: Convert to fraction form
    113,073.50/169,688.01 = 39,201.50/x
  3. Step 3: Cross multiply
    113,073.50x = 169,688.01 × 39,201.50
  4. Step 4: Simplify right side
    113,073.50x = 6,652,024,524.02
  5. Step 5: Solve for x
    x = 6,652,024,524.02/113,073.50
  6. Step 6: Final answer
    x = 58,829.21

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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.