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Finding the Fourth Proportional to 226,298.64, 312,298.84 and 124,330.44

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Solution

The fourth proportional to 226,298.64, 312,298.84 and 124,330.44 is: 171,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,298.64 : 312,298.84 = 124,330.44 : x
  2. Step 2: Convert to fraction form
    226,298.64/312,298.84 = 124,330.44/x
  3. Step 3: Cross multiply
    226,298.64x = 312,298.84 × 124,330.44
  4. Step 4: Simplify right side
    226,298.64x = 38,828,252,188.69
  5. Step 5: Solve for x
    x = 38,828,252,188.69/226,298.64
  6. Step 6: Final answer
    x = 171,579.70

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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.