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Finding the Fourth Proportional to 136,377.65, 204,598.65 and 42,883.40

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Solution

The fourth proportional to 136,377.65, 204,598.65 and 42,883.40 is: 64,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,377.65 : 204,598.65 = 42,883.40 : x
  2. Step 2: Convert to fraction form
    136,377.65/204,598.65 = 42,883.40/x
  3. Step 3: Cross multiply
    136,377.65x = 204,598.65 × 42,883.40
  4. Step 4: Simplify right side
    136,377.65x = 8,773,884,724.42
  5. Step 5: Solve for x
    x = 8,773,884,724.42/136,377.65
  6. Step 6: Final answer
    x = 64,335.21

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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.