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Finding the Fourth Proportional to 132,773.35, 183,224.91 and 72,344.49

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Solution

The fourth proportional to 132,773.35, 183,224.91 and 72,344.49 is: 99,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,773.35 : 183,224.91 = 72,344.49 : x
  2. Step 2: Convert to fraction form
    132,773.35/183,224.91 = 72,344.49/x
  3. Step 3: Cross multiply
    132,773.35x = 183,224.91 × 72,344.49
  4. Step 4: Simplify right side
    132,773.35x = 13,255,312,877.15
  5. Step 5: Solve for x
    x = 13,255,312,877.15/132,773.35
  6. Step 6: Final answer
    x = 99,834.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.