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Finding the Fourth Proportional to 173,641.98, 239,609 and 97,156.52

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Solution

The fourth proportional to 173,641.98, 239,609 and 97,156.52 is: 134,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,641.98 : 239,609 = 97,156.52 : x
  2. Step 2: Convert to fraction form
    173,641.98/239,609 = 97,156.52/x
  3. Step 3: Cross multiply
    173,641.98x = 239,609 × 97,156.52
  4. Step 4: Simplify right side
    173,641.98x = 23,279,576,600.68
  5. Step 5: Solve for x
    x = 23,279,576,600.68/173,641.98
  6. Step 6: Final answer
    x = 134,066.52

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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.