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Finding the Fourth Proportional to 177,854.97, 245,443.52 and 97,287.71

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Solution

The fourth proportional to 177,854.97, 245,443.52 and 97,287.71 is: 134,259.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,854.97 : 245,443.52 = 97,287.71 : x
  2. Step 2: Convert to fraction form
    177,854.97/245,443.52 = 97,287.71/x
  3. Step 3: Cross multiply
    177,854.97x = 245,443.52 × 97,287.71
  4. Step 4: Simplify right side
    177,854.97x = 23,878,637,154.21
  5. Step 5: Solve for x
    x = 23,878,637,154.21/177,854.97
  6. Step 6: Final answer
    x = 134,259.04

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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.