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Finding the Fourth Proportional to 153,820.40, 230,730.60 and 146,562.80

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Solution

The fourth proportional to 153,820.40, 230,730.60 and 146,562.80 is: 219,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,820.40 : 230,730.60 = 146,562.80 : x
  2. Step 2: Convert to fraction form
    153,820.40/230,730.60 = 146,562.80/x
  3. Step 3: Cross multiply
    153,820.40x = 230,730.60 × 146,562.80
  4. Step 4: Simplify right side
    153,820.40x = 33,816,522,781.68
  5. Step 5: Solve for x
    x = 33,816,522,781.68/153,820.40
  6. Step 6: Final answer
    x = 219,844.20

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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.