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Finding the Fourth Proportional to 168,035.60, 252,053.40 and 155,205.20

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Solution

The fourth proportional to 168,035.60, 252,053.40 and 155,205.20 is: 232,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,035.60 : 252,053.40 = 155,205.20 : x
  2. Step 2: Convert to fraction form
    168,035.60/252,053.40 = 155,205.20/x
  3. Step 3: Cross multiply
    168,035.60x = 252,053.40 × 155,205.20
  4. Step 4: Simplify right side
    168,035.60x = 39,119,998,357.68
  5. Step 5: Solve for x
    x = 39,119,998,357.68/168,035.60
  6. Step 6: Final answer
    x = 232,807.80

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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.