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Finding the Fourth Proportional to 144,403.57, 216,474.13 and 65,474.74

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Solution

The fourth proportional to 144,403.57, 216,474.13 and 65,474.74 is: 98,152.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,403.57 : 216,474.13 = 65,474.74 : x
  2. Step 2: Convert to fraction form
    144,403.57/216,474.13 = 65,474.74/x
  3. Step 3: Cross multiply
    144,403.57x = 216,474.13 × 65,474.74
  4. Step 4: Simplify right side
    144,403.57x = 14,173,587,378.48
  5. Step 5: Solve for x
    x = 14,173,587,378.48/144,403.57
  6. Step 6: Final answer
    x = 98,152.61

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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.