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Finding the Fourth Proportional to 126,244.71, 189,266.90 and 63,032.31

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Solution

The fourth proportional to 126,244.71, 189,266.90 and 63,032.31 is: 94,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,244.71 : 189,266.90 = 63,032.31 : x
  2. Step 2: Convert to fraction form
    126,244.71/189,266.90 = 63,032.31/x
  3. Step 3: Cross multiply
    126,244.71x = 189,266.90 × 63,032.31
  4. Step 4: Simplify right side
    126,244.71x = 11,929,929,598.38
  5. Step 5: Solve for x
    x = 11,929,929,598.38/126,244.71
  6. Step 6: Final answer
    x = 94,498.45

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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.