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Finding the Fourth Proportional to 226,407.88, 312,445.74 and 124,444.45

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Solution

The fourth proportional to 226,407.88, 312,445.74 and 124,444.45 is: 171,734.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,407.88 : 312,445.74 = 124,444.45 : x
  2. Step 2: Convert to fraction form
    226,407.88/312,445.74 = 124,444.45/x
  3. Step 3: Cross multiply
    226,407.88x = 312,445.74 × 124,444.45
  4. Step 4: Simplify right side
    226,407.88x = 38,882,138,269.14
  5. Step 5: Solve for x
    x = 38,882,138,269.14/226,407.88
  6. Step 6: Final answer
    x = 171,734.92

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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.