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Finding the Fourth Proportional to 238,955.30, 358,445.94 and 61,463.78

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Solution

The fourth proportional to 238,955.30, 358,445.94 and 61,463.78 is: 92,199.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,955.30 : 358,445.94 = 61,463.78 : x
  2. Step 2: Convert to fraction form
    238,955.30/358,445.94 = 61,463.78/x
  3. Step 3: Cross multiply
    238,955.30x = 358,445.94 × 61,463.78
  4. Step 4: Simplify right side
    238,955.30x = 22,031,442,398.05
  5. Step 5: Solve for x
    x = 22,031,442,398.05/238,955.30
  6. Step 6: Final answer
    x = 92,199.01

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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.