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Finding the Fourth Proportional to 243,600.48, 336,143.52 and 136,167.48

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Solution

The fourth proportional to 243,600.48, 336,143.52 and 136,167.48 is: 187,897.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,600.48 : 336,143.52 = 136,167.48 : x
  2. Step 2: Convert to fraction form
    243,600.48/336,143.52 = 136,167.48/x
  3. Step 3: Cross multiply
    243,600.48x = 336,143.52 × 136,167.48
  4. Step 4: Simplify right side
    243,600.48x = 45,771,816,036.73
  5. Step 5: Solve for x
    x = 45,771,816,036.73/243,600.48
  6. Step 6: Final answer
    x = 187,897.07

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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.