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Finding the Fourth Proportional to 162,089.92, 223,695.36 and 90,483.92

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Solution

The fourth proportional to 162,089.92, 223,695.36 and 90,483.92 is: 124,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,089.92 : 223,695.36 = 90,483.92 : x
  2. Step 2: Convert to fraction form
    162,089.92/223,695.36 = 90,483.92/x
  3. Step 3: Cross multiply
    162,089.92x = 223,695.36 × 90,483.92
  4. Step 4: Simplify right side
    162,089.92x = 20,240,833,058.61
  5. Step 5: Solve for x
    x = 20,240,833,058.61/162,089.92
  6. Step 6: Final answer
    x = 124,874.10

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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.