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Finding the Fourth Proportional to 90,798.01, 125,299.37 and 50,510.90

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Solution

The fourth proportional to 90,798.01, 125,299.37 and 50,510.90 is: 69,704.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,798.01 : 125,299.37 = 50,510.90 : x
  2. Step 2: Convert to fraction form
    90,798.01/125,299.37 = 50,510.90/x
  3. Step 3: Cross multiply
    90,798.01x = 125,299.37 × 50,510.90
  4. Step 4: Simplify right side
    90,798.01x = 6,328,984,387.66
  5. Step 5: Solve for x
    x = 6,328,984,387.66/90,798.01
  6. Step 6: Final answer
    x = 69,704.00

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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.