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Finding the Fourth Proportional to 144,655.92, 216,792.50 and 104,808.78

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Solution

The fourth proportional to 144,655.92, 216,792.50 and 104,808.78 is: 157,074.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,655.92 : 216,792.50 = 104,808.78 : x
  2. Step 2: Convert to fraction form
    144,655.92/216,792.50 = 104,808.78/x
  3. Step 3: Cross multiply
    144,655.92x = 216,792.50 × 104,808.78
  4. Step 4: Simplify right side
    144,655.92x = 22,721,756,914.11
  5. Step 5: Solve for x
    x = 22,721,756,914.11/144,655.92
  6. Step 6: Final answer
    x = 157,074.50

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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.