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Finding the Fourth Proportional to 90,314.53, 124,594.77 and 63,474.57

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Solution

The fourth proportional to 90,314.53, 124,594.77 and 63,474.57 is: 87,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,314.53 : 124,594.77 = 63,474.57 : x
  2. Step 2: Convert to fraction form
    90,314.53/124,594.77 = 63,474.57/x
  3. Step 3: Cross multiply
    90,314.53x = 124,594.77 × 63,474.57
  4. Step 4: Simplify right side
    90,314.53x = 7,908,599,450.00
  5. Step 5: Solve for x
    x = 7,908,599,450.00/90,314.53
  6. Step 6: Final answer
    x = 87,567.30

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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.