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Finding the Fourth Proportional to 124,046.70, 186,025.77 and 53,909.34

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Solution

The fourth proportional to 124,046.70, 186,025.77 and 53,909.34 is: 80,844.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,046.70 : 186,025.77 = 53,909.34 : x
  2. Step 2: Convert to fraction form
    124,046.70/186,025.77 = 53,909.34/x
  3. Step 3: Cross multiply
    124,046.70x = 186,025.77 × 53,909.34
  4. Step 4: Simplify right side
    124,046.70x = 10,028,526,483.69
  5. Step 5: Solve for x
    x = 10,028,526,483.69/124,046.70
  6. Step 6: Final answer
    x = 80,844.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.