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Finding the Fourth Proportional to 225,030.96, 337,403.88 and 112,680.72

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Solution

The fourth proportional to 225,030.96, 337,403.88 and 112,680.72 is: 168,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,030.96 : 337,403.88 = 112,680.72 : x
  2. Step 2: Convert to fraction form
    225,030.96/337,403.88 = 112,680.72/x
  3. Step 3: Cross multiply
    225,030.96x = 337,403.88 × 112,680.72
  4. Step 4: Simplify right side
    225,030.96x = 38,018,912,129.19
  5. Step 5: Solve for x
    x = 38,018,912,129.19/225,030.96
  6. Step 6: Final answer
    x = 168,949.70

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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.