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Finding the Fourth Proportional to 335,095.80, 502,470.90 and 124,625.40

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Solution

The fourth proportional to 335,095.80, 502,470.90 and 124,625.40 is: 186,873.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,095.80 : 502,470.90 = 124,625.40 : x
  2. Step 2: Convert to fraction form
    335,095.80/502,470.90 = 124,625.40/x
  3. Step 3: Cross multiply
    335,095.80x = 502,470.90 × 124,625.40
  4. Step 4: Simplify right side
    335,095.80x = 62,620,636,900.86
  5. Step 5: Solve for x
    x = 62,620,636,900.86/335,095.80
  6. Step 6: Final answer
    x = 186,873.83

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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.