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Finding the Fourth Proportional to 187,332.88, 281,041.44 and 98,628.16

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Solution

The fourth proportional to 187,332.88, 281,041.44 and 98,628.16 is: 147,964.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,332.88 : 281,041.44 = 98,628.16 : x
  2. Step 2: Convert to fraction form
    187,332.88/281,041.44 = 98,628.16/x
  3. Step 3: Cross multiply
    187,332.88x = 281,041.44 × 98,628.16
  4. Step 4: Simplify right side
    187,332.88x = 27,718,600,110.95
  5. Step 5: Solve for x
    x = 27,718,600,110.95/187,332.88
  6. Step 6: Final answer
    x = 147,964.42

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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.