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Finding the Fourth Proportional to 232,368.13, 348,479.29 and 74,561.50

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Solution

The fourth proportional to 232,368.13, 348,479.29 and 74,561.50 is: 111,818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,368.13 : 348,479.29 = 74,561.50 : x
  2. Step 2: Convert to fraction form
    232,368.13/348,479.29 = 74,561.50/x
  3. Step 3: Cross multiply
    232,368.13x = 348,479.29 × 74,561.50
  4. Step 4: Simplify right side
    232,368.13x = 25,983,138,581.34
  5. Step 5: Solve for x
    x = 25,983,138,581.34/232,368.13
  6. Step 6: Final answer
    x = 111,818.86

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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.