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Finding the Fourth Proportional to 116,248.64, 160,117.56 and 89,339.68

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Solution

The fourth proportional to 116,248.64, 160,117.56 and 89,339.68 is: 123,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,248.64 : 160,117.56 = 89,339.68 : x
  2. Step 2: Convert to fraction form
    116,248.64/160,117.56 = 89,339.68/x
  3. Step 3: Cross multiply
    116,248.64x = 160,117.56 × 89,339.68
  4. Step 4: Simplify right side
    116,248.64x = 14,304,851,572.78
  5. Step 5: Solve for x
    x = 14,304,851,572.78/116,248.64
  6. Step 6: Final answer
    x = 123,053.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.