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Finding the Fourth Proportional to 144,679.56, 199,444.84 and 101,522.76

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Solution

The fourth proportional to 144,679.56, 199,444.84 and 101,522.76 is: 139,951.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,679.56 : 199,444.84 = 101,522.76 : x
  2. Step 2: Convert to fraction form
    144,679.56/199,444.84 = 101,522.76/x
  3. Step 3: Cross multiply
    144,679.56x = 199,444.84 × 101,522.76
  4. Step 4: Simplify right side
    144,679.56x = 20,248,190,624.56
  5. Step 5: Solve for x
    x = 20,248,190,624.56/144,679.56
  6. Step 6: Final answer
    x = 139,951.98

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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.