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Finding the Fourth Proportional to 171,070.29, 256,649.18 and 71,197.29

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Solution

The fourth proportional to 171,070.29, 256,649.18 and 71,197.29 is: 106,814.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,070.29 : 256,649.18 = 71,197.29 : x
  2. Step 2: Convert to fraction form
    171,070.29/256,649.18 = 71,197.29/x
  3. Step 3: Cross multiply
    171,070.29x = 256,649.18 × 71,197.29
  4. Step 4: Simplify right side
    171,070.29x = 18,272,725,740.74
  5. Step 5: Solve for x
    x = 18,272,725,740.74/171,070.29
  6. Step 6: Final answer
    x = 106,814.14

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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.