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Finding the Fourth Proportional to 342,575.06, 514,009.53 and 132,360.62

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Solution

The fourth proportional to 342,575.06, 514,009.53 and 132,360.62 is: 198,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,575.06 : 514,009.53 = 132,360.62 : x
  2. Step 2: Convert to fraction form
    342,575.06/514,009.53 = 132,360.62/x
  3. Step 3: Cross multiply
    342,575.06x = 514,009.53 × 132,360.62
  4. Step 4: Simplify right side
    342,575.06x = 68,034,620,076.71
  5. Step 5: Solve for x
    x = 68,034,620,076.71/342,575.06
  6. Step 6: Final answer
    x = 198,597.70

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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.