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Finding the Fourth Proportional to 146,139.60, 218,820.60 and 93,262.80

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Solution

The fourth proportional to 146,139.60, 218,820.60 and 93,262.80 is: 139,646.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,139.60 : 218,820.60 = 93,262.80 : x
  2. Step 2: Convert to fraction form
    146,139.60/218,820.60 = 93,262.80/x
  3. Step 3: Cross multiply
    146,139.60x = 218,820.60 × 93,262.80
  4. Step 4: Simplify right side
    146,139.60x = 20,407,821,853.68
  5. Step 5: Solve for x
    x = 20,407,821,853.68/146,139.60
  6. Step 6: Final answer
    x = 139,646.08

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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.