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Finding the Fourth Proportional to 152,374.32, 227,634.87 and 98,628.48

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Solution

The fourth proportional to 152,374.32, 227,634.87 and 98,628.48 is: 147,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,374.32 : 227,634.87 = 98,628.48 : x
  2. Step 2: Convert to fraction form
    152,374.32/227,634.87 = 98,628.48/x
  3. Step 3: Cross multiply
    152,374.32x = 227,634.87 × 98,628.48
  4. Step 4: Simplify right side
    152,374.32x = 22,451,281,223.10
  5. Step 5: Solve for x
    x = 22,451,281,223.10/152,374.32
  6. Step 6: Final answer
    x = 147,342.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.