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Finding the Fourth Proportional to 127,872.60, 191,808.90 and 124,592.10

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Solution

The fourth proportional to 127,872.60, 191,808.90 and 124,592.10 is: 186,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,872.60 : 191,808.90 = 124,592.10 : x
  2. Step 2: Convert to fraction form
    127,872.60/191,808.90 = 124,592.10/x
  3. Step 3: Cross multiply
    127,872.60x = 191,808.90 × 124,592.10
  4. Step 4: Simplify right side
    127,872.60x = 23,897,873,649.69
  5. Step 5: Solve for x
    x = 23,897,873,649.69/127,872.60
  6. Step 6: Final answer
    x = 186,888.15

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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.