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Finding the Fourth Proportional to 226,300.61, 312,294.97 and 124,332.65

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Solution

The fourth proportional to 226,300.61, 312,294.97 and 124,332.65 is: 171,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,300.61 : 312,294.97 = 124,332.65 : x
  2. Step 2: Convert to fraction form
    226,300.61/312,294.97 = 124,332.65/x
  3. Step 3: Cross multiply
    226,300.61x = 312,294.97 × 124,332.65
  4. Step 4: Simplify right side
    226,300.61x = 38,828,461,201.77
  5. Step 5: Solve for x
    x = 38,828,461,201.77/226,300.61
  6. Step 6: Final answer
    x = 171,579.13

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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.