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Finding the Fourth Proportional to 241,386.30, 362,079.45 and 129,411.90

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Solution

The fourth proportional to 241,386.30, 362,079.45 and 129,411.90 is: 194,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,386.30 : 362,079.45 = 129,411.90 : x
  2. Step 2: Convert to fraction form
    241,386.30/362,079.45 = 129,411.90/x
  3. Step 3: Cross multiply
    241,386.30x = 362,079.45 × 129,411.90
  4. Step 4: Simplify right side
    241,386.30x = 46,857,389,575.46
  5. Step 5: Solve for x
    x = 46,857,389,575.46/241,386.30
  6. Step 6: Final answer
    x = 194,117.85

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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.