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Finding the Fourth Proportional to 127,251.70, 190,877.55 and 97,818.10

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Solution

The fourth proportional to 127,251.70, 190,877.55 and 97,818.10 is: 146,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,251.70 : 190,877.55 = 97,818.10 : x
  2. Step 2: Convert to fraction form
    127,251.70/190,877.55 = 97,818.10/x
  3. Step 3: Cross multiply
    127,251.70x = 190,877.55 × 97,818.10
  4. Step 4: Simplify right side
    127,251.70x = 18,671,279,273.66
  5. Step 5: Solve for x
    x = 18,671,279,273.66/127,251.70
  6. Step 6: Final answer
    x = 146,727.15

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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.