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Finding the Fourth Proportional to 176,875.40, 264,729.90 and 124,387.40

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Solution

The fourth proportional to 176,875.40, 264,729.90 and 124,387.40 is: 186,170.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,875.40 : 264,729.90 = 124,387.40 : x
  2. Step 2: Convert to fraction form
    176,875.40/264,729.90 = 124,387.40/x
  3. Step 3: Cross multiply
    176,875.40x = 264,729.90 × 124,387.40
  4. Step 4: Simplify right side
    176,875.40x = 32,929,063,963.26
  5. Step 5: Solve for x
    x = 32,929,063,963.26/176,875.40
  6. Step 6: Final answer
    x = 186,170.97

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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.