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Finding the Fourth Proportional to 556,005.88, 834,001.26 and 135,282.16

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Solution

The fourth proportional to 556,005.88, 834,001.26 and 135,282.16 is: 202,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,005.88 : 834,001.26 = 135,282.16 : x
  2. Step 2: Convert to fraction form
    556,005.88/834,001.26 = 135,282.16/x
  3. Step 3: Cross multiply
    556,005.88x = 834,001.26 × 135,282.16
  4. Step 4: Simplify right side
    556,005.88x = 112,825,491,895.52
  5. Step 5: Solve for x
    x = 112,825,491,895.52/556,005.88
  6. Step 6: Final answer
    x = 202,921.40

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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.