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Finding the Fourth Proportional to 90,460.87, 124,818.00 and 54,652.86

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Solution

The fourth proportional to 90,460.87, 124,818.00 and 54,652.86 is: 75,410.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,460.87 : 124,818.00 = 54,652.86 : x
  2. Step 2: Convert to fraction form
    90,460.87/124,818.00 = 54,652.86/x
  3. Step 3: Cross multiply
    90,460.87x = 124,818.00 × 54,652.86
  4. Step 4: Simplify right side
    90,460.87x = 6,821,660,474.53
  5. Step 5: Solve for x
    x = 6,821,660,474.53/90,460.87
  6. Step 6: Final answer
    x = 75,410.07

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1.5x scale

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.