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Finding the Fourth Proportional to 144,663.03, 216,992.52 and 87,750.47

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Solution

The fourth proportional to 144,663.03, 216,992.52 and 87,750.47 is: 131,624.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,663.03 : 216,992.52 = 87,750.47 : x
  2. Step 2: Convert to fraction form
    144,663.03/216,992.52 = 87,750.47/x
  3. Step 3: Cross multiply
    144,663.03x = 216,992.52 × 87,750.47
  4. Step 4: Simplify right side
    144,663.03x = 19,041,196,158.97
  5. Step 5: Solve for x
    x = 19,041,196,158.97/144,663.03
  6. Step 6: Final answer
    x = 131,624.48

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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.