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Finding the Fourth Proportional to 144,440.97, 216,688.59 and 65,560.74

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Solution

The fourth proportional to 144,440.97, 216,688.59 and 65,560.74 is: 98,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,440.97 : 216,688.59 = 65,560.74 : x
  2. Step 2: Convert to fraction form
    144,440.97/216,688.59 = 65,560.74/x
  3. Step 3: Cross multiply
    144,440.97x = 216,688.59 × 65,560.74
  4. Step 4: Simplify right side
    144,440.97x = 14,206,264,309.96
  5. Step 5: Solve for x
    x = 14,206,264,309.96/144,440.97
  6. Step 6: Final answer
    x = 98,353.43

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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.