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Finding the Fourth Proportional to 161,036.80, 241,555.20 and 101,161.60

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Solution

The fourth proportional to 161,036.80, 241,555.20 and 101,161.60 is: 151,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,036.80 : 241,555.20 = 101,161.60 : x
  2. Step 2: Convert to fraction form
    161,036.80/241,555.20 = 101,161.60/x
  3. Step 3: Cross multiply
    161,036.80x = 241,555.20 × 101,161.60
  4. Step 4: Simplify right side
    161,036.80x = 24,436,110,520.32
  5. Step 5: Solve for x
    x = 24,436,110,520.32/161,036.80
  6. Step 6: Final answer
    x = 151,742.40

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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.