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Finding the Fourth Proportional to 260,281.48, 359,049.54 and 158,338.12

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Solution

The fourth proportional to 260,281.48, 359,049.54 and 158,338.12 is: 218,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,281.48 : 359,049.54 = 158,338.12 : x
  2. Step 2: Convert to fraction form
    260,281.48/359,049.54 = 158,338.12/x
  3. Step 3: Cross multiply
    260,281.48x = 359,049.54 × 158,338.12
  4. Step 4: Simplify right side
    260,281.48x = 56,851,229,150.46
  5. Step 5: Solve for x
    x = 56,851,229,150.46/260,281.48
  6. Step 6: Final answer
    x = 218,422.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.