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Finding the Fourth Proportional to 173,521.59, 239,472 and 97,047.80

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Solution

The fourth proportional to 173,521.59, 239,472 and 97,047.80 is: 133,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,521.59 : 239,472 = 97,047.80 : x
  2. Step 2: Convert to fraction form
    173,521.59/239,472 = 97,047.80/x
  3. Step 3: Cross multiply
    173,521.59x = 239,472 × 97,047.80
  4. Step 4: Simplify right side
    173,521.59x = 23,240,230,462.26
  5. Step 5: Solve for x
    x = 23,240,230,462.26/173,521.59
  6. Step 6: Final answer
    x = 133,932.79

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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.