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Finding the Fourth Proportional to 225,770.48, 311,577.23 and 125,168.48

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Solution

The fourth proportional to 225,770.48, 311,577.23 and 125,168.48 is: 172,740.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,770.48 : 311,577.23 = 125,168.48 : x
  2. Step 2: Convert to fraction form
    225,770.48/311,577.23 = 125,168.48/x
  3. Step 3: Cross multiply
    225,770.48x = 311,577.23 × 125,168.48
  4. Step 4: Simplify right side
    225,770.48x = 38,999,648,281.71
  5. Step 5: Solve for x
    x = 38,999,648,281.71/225,770.48
  6. Step 6: Final answer
    x = 172,740.25

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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.