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Finding the Fourth Proportional to 173,398.75, 260,098.13 and 42,070.75

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Solution

The fourth proportional to 173,398.75, 260,098.13 and 42,070.75 is: 63,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,398.75 : 260,098.13 = 42,070.75 : x
  2. Step 2: Convert to fraction form
    173,398.75/260,098.13 = 42,070.75/x
  3. Step 3: Cross multiply
    173,398.75x = 260,098.13 × 42,070.75
  4. Step 4: Simplify right side
    173,398.75x = 10,942,523,402.70
  5. Step 5: Solve for x
    x = 10,942,523,402.70/173,398.75
  6. Step 6: Final answer
    x = 63,106.13

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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.