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Finding the Fourth Proportional to 232,402.68, 348,707.16 and 99,367.20

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Solution

The fourth proportional to 232,402.68, 348,707.16 and 99,367.20 is: 149,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,402.68 : 348,707.16 = 99,367.20 : x
  2. Step 2: Convert to fraction form
    232,402.68/348,707.16 = 99,367.20/x
  3. Step 3: Cross multiply
    232,402.68x = 348,707.16 × 99,367.20
  4. Step 4: Simplify right side
    232,402.68x = 34,650,054,109.15
  5. Step 5: Solve for x
    x = 34,650,054,109.15/232,402.68
  6. Step 6: Final answer
    x = 149,094.90

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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.