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Finding the Fourth Proportional to 225,325.76, 310,667.28 and 144,610.88

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Solution

The fourth proportional to 225,325.76, 310,667.28 and 144,610.88 is: 199,381.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,325.76 : 310,667.28 = 144,610.88 : x
  2. Step 2: Convert to fraction form
    225,325.76/310,667.28 = 144,610.88/x
  3. Step 3: Cross multiply
    225,325.76x = 310,667.28 × 144,610.88
  4. Step 4: Simplify right side
    225,325.76x = 44,925,868,748.01
  5. Step 5: Solve for x
    x = 44,925,868,748.01/225,325.76
  6. Step 6: Final answer
    x = 199,381.86

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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.