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Finding the Fourth Proportional to 90,248.78, 124,556.35 and 52,001.01

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Solution

The fourth proportional to 90,248.78, 124,556.35 and 52,001.01 is: 71,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,248.78 : 124,556.35 = 52,001.01 : x
  2. Step 2: Convert to fraction form
    90,248.78/124,556.35 = 52,001.01/x
  3. Step 3: Cross multiply
    90,248.78x = 124,556.35 × 52,001.01
  4. Step 4: Simplify right side
    90,248.78x = 6,477,055,379.13
  5. Step 5: Solve for x
    x = 6,477,055,379.13/90,248.78
  6. Step 6: Final answer
    x = 71,768.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.