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Finding the Fourth Proportional to 90,263.56, 124,565.03 and 52,002

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Solution

The fourth proportional to 90,263.56, 124,565.03 and 52,002 is: 71,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,263.56 : 124,565.03 = 52,002 : x
  2. Step 2: Convert to fraction form
    90,263.56/124,565.03 = 52,002/x
  3. Step 3: Cross multiply
    90,263.56x = 124,565.03 × 52,002
  4. Step 4: Simplify right side
    90,263.56x = 6,477,630,690.06
  5. Step 5: Solve for x
    x = 6,477,630,690.06/90,263.56
  6. Step 6: Final answer
    x = 71,763.52

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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.