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Finding the Fourth Proportional to 106,451.60, 159,590.79 and 39,854.42

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Solution

The fourth proportional to 106,451.60, 159,590.79 and 39,854.42 is: 59,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,451.60 : 159,590.79 = 39,854.42 : x
  2. Step 2: Convert to fraction form
    106,451.60/159,590.79 = 39,854.42/x
  3. Step 3: Cross multiply
    106,451.60x = 159,590.79 × 39,854.42
  4. Step 4: Simplify right side
    106,451.60x = 6,360,397,574.84
  5. Step 5: Solve for x
    x = 6,360,397,574.84/106,451.60
  6. Step 6: Final answer
    x = 59,749.20

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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.