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Finding the Fourth Proportional to 165,888.80, 248,833.20 and 60,718.40

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Solution

The fourth proportional to 165,888.80, 248,833.20 and 60,718.40 is: 91,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888.80 : 248,833.20 = 60,718.40 : x
  2. Step 2: Convert to fraction form
    165,888.80/248,833.20 = 60,718.40/x
  3. Step 3: Cross multiply
    165,888.80x = 248,833.20 × 60,718.40
  4. Step 4: Simplify right side
    165,888.80x = 15,108,753,770.88
  5. Step 5: Solve for x
    x = 15,108,753,770.88/165,888.80
  6. Step 6: Final answer
    x = 91,077.60

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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.