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Finding the Fourth Proportional to 84,202.61, 125,920.24 and 62,870.24

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Solution

The fourth proportional to 84,202.61, 125,920.24 and 62,870.24 is: 94,018.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,202.61 : 125,920.24 = 62,870.24 : x
  2. Step 2: Convert to fraction form
    84,202.61/125,920.24 = 62,870.24/x
  3. Step 3: Cross multiply
    84,202.61x = 125,920.24 × 62,870.24
  4. Step 4: Simplify right side
    84,202.61x = 7,916,635,867.28
  5. Step 5: Solve for x
    x = 7,916,635,867.28/84,202.61
  6. Step 6: Final answer
    x = 94,018.89

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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.