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Finding the Fourth Proportional to 334,810.60, 502,158.30 and 124,340.20

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Solution

The fourth proportional to 334,810.60, 502,158.30 and 124,340.20 is: 186,488.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,810.60 : 502,158.30 = 124,340.20 : x
  2. Step 2: Convert to fraction form
    334,810.60/502,158.30 = 124,340.20/x
  3. Step 3: Cross multiply
    334,810.60x = 502,158.30 × 124,340.20
  4. Step 4: Simplify right side
    334,810.60x = 62,438,463,453.66
  5. Step 5: Solve for x
    x = 62,438,463,453.66/334,810.60
  6. Step 6: Final answer
    x = 186,488.91

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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.