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Finding the Fourth Proportional to 104,572.59, 156,859.11 and 41,407.58

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Solution

The fourth proportional to 104,572.59, 156,859.11 and 41,407.58 is: 62,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,572.59 : 156,859.11 = 41,407.58 : x
  2. Step 2: Convert to fraction form
    104,572.59/156,859.11 = 41,407.58/x
  3. Step 3: Cross multiply
    104,572.59x = 156,859.11 × 41,407.58
  4. Step 4: Simplify right side
    104,572.59x = 6,495,155,361.76
  5. Step 5: Solve for x
    x = 6,495,155,361.76/104,572.59
  6. Step 6: Final answer
    x = 62,111.45

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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.