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Finding the Fourth Proportional to 91,248.41, 125,008.22 and 87,837.04

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Solution

The fourth proportional to 91,248.41, 125,008.22 and 87,837.04 is: 120,334.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,248.41 : 125,008.22 = 87,837.04 : x
  2. Step 2: Convert to fraction form
    91,248.41/125,008.22 = 87,837.04/x
  3. Step 3: Cross multiply
    91,248.41x = 125,008.22 × 87,837.04
  4. Step 4: Simplify right side
    91,248.41x = 10,980,351,927.54
  5. Step 5: Solve for x
    x = 10,980,351,927.54/91,248.41
  6. Step 6: Final answer
    x = 120,334.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.