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Finding the Fourth Proportional to 109,088.00, 150,542.33 and 61,340.93

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Solution

The fourth proportional to 109,088.00, 150,542.33 and 61,340.93 is: 84,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,088.00 : 150,542.33 = 61,340.93 : x
  2. Step 2: Convert to fraction form
    109,088.00/150,542.33 = 61,340.93/x
  3. Step 3: Cross multiply
    109,088.00x = 150,542.33 × 61,340.93
  4. Step 4: Simplify right side
    109,088.00x = 9,234,405,773.86
  5. Step 5: Solve for x
    x = 9,234,405,773.86/109,088.00
  6. Step 6: Final answer
    x = 84,650.98

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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.