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Finding the Fourth Proportional to 88,570.90, 132,764.06 and 38,637.58

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Solution

The fourth proportional to 88,570.90, 132,764.06 and 38,637.58 is: 57,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,570.90 : 132,764.06 = 38,637.58 : x
  2. Step 2: Convert to fraction form
    88,570.90/132,764.06 = 38,637.58/x
  3. Step 3: Cross multiply
    88,570.90x = 132,764.06 × 38,637.58
  4. Step 4: Simplify right side
    88,570.90x = 5,129,681,989.37
  5. Step 5: Solve for x
    x = 5,129,681,989.37/88,570.90
  6. Step 6: Final answer
    x = 57,916.11

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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.