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Finding the Fourth Proportional to 226,677.47, 312,802.55 and 124,686.47

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Solution

The fourth proportional to 226,677.47, 312,802.55 and 124,686.47 is: 172,060.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,677.47 : 312,802.55 = 124,686.47 : x
  2. Step 2: Convert to fraction form
    226,677.47/312,802.55 = 124,686.47/x
  3. Step 3: Cross multiply
    226,677.47x = 312,802.55 × 124,686.47
  4. Step 4: Simplify right side
    226,677.47x = 39,002,245,143.07
  5. Step 5: Solve for x
    x = 39,002,245,143.07/226,677.47
  6. Step 6: Final answer
    x = 172,060.53

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1.5x scale

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.