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Finding the Fourth Proportional to 124,191.48, 171,384.48 and 67,602.72

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Solution

The fourth proportional to 124,191.48, 171,384.48 and 67,602.72 is: 93,291.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,191.48 : 171,384.48 = 67,602.72 : x
  2. Step 2: Convert to fraction form
    124,191.48/171,384.48 = 67,602.72/x
  3. Step 3: Cross multiply
    124,191.48x = 171,384.48 × 67,602.72
  4. Step 4: Simplify right side
    124,191.48x = 11,586,057,013.79
  5. Step 5: Solve for x
    x = 11,586,057,013.79/124,191.48
  6. Step 6: Final answer
    x = 93,291.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.