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Finding the Fourth Proportional to 114,545.94, 171,777.74 and 39,645.78

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Solution

The fourth proportional to 114,545.94, 171,777.74 and 39,645.78 is: 59,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,545.94 : 171,777.74 = 39,645.78 : x
  2. Step 2: Convert to fraction form
    114,545.94/171,777.74 = 39,645.78/x
  3. Step 3: Cross multiply
    114,545.94x = 171,777.74 × 39,645.78
  4. Step 4: Simplify right side
    114,545.94x = 6,810,262,290.71
  5. Step 5: Solve for x
    x = 6,810,262,290.71/114,545.94
  6. Step 6: Final answer
    x = 59,454.42

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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.