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Finding the Fourth Proportional to 232,459.30, 348,748.35 and 74,689.30

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Solution

The fourth proportional to 232,459.30, 348,748.35 and 74,689.30 is: 112,053.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,459.30 : 348,748.35 = 74,689.30 : x
  2. Step 2: Convert to fraction form
    232,459.30/348,748.35 = 74,689.30/x
  3. Step 3: Cross multiply
    232,459.30x = 348,748.35 × 74,689.30
  4. Step 4: Simplify right side
    232,459.30x = 26,047,770,137.66
  5. Step 5: Solve for x
    x = 26,047,770,137.66/232,459.30
  6. Step 6: Final answer
    x = 112,053.04

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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.