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Finding the Fourth Proportional to 134,424.86, 185,487.44 and 89,032.46

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Solution

The fourth proportional to 134,424.86, 185,487.44 and 89,032.46 is: 122,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,424.86 : 185,487.44 = 89,032.46 : x
  2. Step 2: Convert to fraction form
    134,424.86/185,487.44 = 89,032.46/x
  3. Step 3: Cross multiply
    134,424.86x = 185,487.44 × 89,032.46
  4. Step 4: Simplify right side
    134,424.86x = 16,514,403,082.30
  5. Step 5: Solve for x
    x = 16,514,403,082.30/134,424.86
  6. Step 6: Final answer
    x = 122,852.30

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Why These Related Problems?

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