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Finding the Fourth Proportional to 91,179.52, 125,885.52 and 62,547.14

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Solution

The fourth proportional to 91,179.52, 125,885.52 and 62,547.14 is: 86,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,179.52 : 125,885.52 = 62,547.14 : x
  2. Step 2: Convert to fraction form
    91,179.52/125,885.52 = 62,547.14/x
  3. Step 3: Cross multiply
    91,179.52x = 125,885.52 × 62,547.14
  4. Step 4: Simplify right side
    91,179.52x = 7,873,779,243.41
  5. Step 5: Solve for x
    x = 7,873,779,243.41/91,179.52
  6. Step 6: Final answer
    x = 86,354.70

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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.