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Finding the Fourth Proportional to 101,862.40, 152,790.24 and 41,888.80

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Solution

The fourth proportional to 101,862.40, 152,790.24 and 41,888.80 is: 62,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,862.40 : 152,790.24 = 41,888.80 : x
  2. Step 2: Convert to fraction form
    101,862.40/152,790.24 = 41,888.80/x
  3. Step 3: Cross multiply
    101,862.40x = 152,790.24 × 41,888.80
  4. Step 4: Simplify right side
    101,862.40x = 6,400,199,805.31
  5. Step 5: Solve for x
    x = 6,400,199,805.31/101,862.40
  6. Step 6: Final answer
    x = 62,831.82

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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.