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Finding the Fourth Proportional to 96,476.40, 144,403.56 and 49,664.88

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Solution

The fourth proportional to 96,476.40, 144,403.56 and 49,664.88 is: 74,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,476.40 : 144,403.56 = 49,664.88 : x
  2. Step 2: Convert to fraction form
    96,476.40/144,403.56 = 49,664.88/x
  3. Step 3: Cross multiply
    96,476.40x = 144,403.56 × 49,664.88
  4. Step 4: Simplify right side
    96,476.40x = 7,171,785,478.97
  5. Step 5: Solve for x
    x = 7,171,785,478.97/96,476.40
  6. Step 6: Final answer
    x = 74,337.20

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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.