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Finding the Fourth Proportional to 243,594.53, 336,154.52 and 136,177.19

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Solution

The fourth proportional to 243,594.53, 336,154.52 and 136,177.19 is: 187,921.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,594.53 : 336,154.52 = 136,177.19 : x
  2. Step 2: Convert to fraction form
    243,594.53/336,154.52 = 136,177.19/x
  3. Step 3: Cross multiply
    243,594.53x = 336,154.52 × 136,177.19
  4. Step 4: Simplify right side
    243,594.53x = 45,776,577,939.40
  5. Step 5: Solve for x
    x = 45,776,577,939.40/243,594.53
  6. Step 6: Final answer
    x = 187,921.21

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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.