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Finding the Fourth Proportional to 107,494.76, 148,409.16 and 69,267.80

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Solution

The fourth proportional to 107,494.76, 148,409.16 and 69,267.80 is: 95,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,494.76 : 148,409.16 = 69,267.80 : x
  2. Step 2: Convert to fraction form
    107,494.76/148,409.16 = 69,267.80/x
  3. Step 3: Cross multiply
    107,494.76x = 148,409.16 × 69,267.80
  4. Step 4: Simplify right side
    107,494.76x = 10,279,976,013.05
  5. Step 5: Solve for x
    x = 10,279,976,013.05/107,494.76
  6. Step 6: Final answer
    x = 95,632.35

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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.