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Finding the Fourth Proportional to 288,034.06, 432,132.51 and 98,535.46

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Solution

The fourth proportional to 288,034.06, 432,132.51 and 98,535.46 is: 147,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,034.06 : 432,132.51 = 98,535.46 : x
  2. Step 2: Convert to fraction form
    288,034.06/432,132.51 = 98,535.46/x
  3. Step 3: Cross multiply
    288,034.06x = 432,132.51 × 98,535.46
  4. Step 4: Simplify right side
    288,034.06x = 42,580,375,653.80
  5. Step 5: Solve for x
    x = 42,580,375,653.80/288,034.06
  6. Step 6: Final answer
    x = 147,831.04

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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.