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Finding the Fourth Proportional to 144,612.70, 216,880.65 and 44,772.70

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Solution

The fourth proportional to 144,612.70, 216,880.65 and 44,772.70 is: 67,147.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,612.70 : 216,880.65 = 44,772.70 : x
  2. Step 2: Convert to fraction form
    144,612.70/216,880.65 = 44,772.70/x
  3. Step 3: Cross multiply
    144,612.70x = 216,880.65 × 44,772.70
  4. Step 4: Simplify right side
    144,612.70x = 9,710,332,278.26
  5. Step 5: Solve for x
    x = 9,710,332,278.26/144,612.70
  6. Step 6: Final answer
    x = 67,147.16

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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.