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Finding the Fourth Proportional to 157,246.30, 217,005.24 and 88,347.90

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Solution

The fourth proportional to 157,246.30, 217,005.24 and 88,347.90 is: 121,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,246.30 : 217,005.24 = 88,347.90 : x
  2. Step 2: Convert to fraction form
    157,246.30/217,005.24 = 88,347.90/x
  3. Step 3: Cross multiply
    157,246.30x = 217,005.24 × 88,347.90
  4. Step 4: Simplify right side
    157,246.30x = 19,171,957,243.00
  5. Step 5: Solve for x
    x = 19,171,957,243.00/157,246.30
  6. Step 6: Final answer
    x = 121,923.11

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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.