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Finding the Fourth Proportional to 203,041.62, 304,549.47 and 62,788.50

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Solution

The fourth proportional to 203,041.62, 304,549.47 and 62,788.50 is: 94,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,041.62 : 304,549.47 = 62,788.50 : x
  2. Step 2: Convert to fraction form
    203,041.62/304,549.47 = 62,788.50/x
  3. Step 3: Cross multiply
    203,041.62x = 304,549.47 × 62,788.50
  4. Step 4: Simplify right side
    203,041.62x = 19,122,204,397.10
  5. Step 5: Solve for x
    x = 19,122,204,397.10/203,041.62
  6. Step 6: Final answer
    x = 94,178.74

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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.