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Finding the Fourth Proportional to 147,663.54, 221,498.45 and 52,899.89

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Solution

The fourth proportional to 147,663.54, 221,498.45 and 52,899.89 is: 79,350.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,663.54 : 221,498.45 = 52,899.89 : x
  2. Step 2: Convert to fraction form
    147,663.54/221,498.45 = 52,899.89/x
  3. Step 3: Cross multiply
    147,663.54x = 221,498.45 × 52,899.89
  4. Step 4: Simplify right side
    147,663.54x = 11,717,242,268.18
  5. Step 5: Solve for x
    x = 11,717,242,268.18/147,663.54
  6. Step 6: Final answer
    x = 79,350.95

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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.