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Finding the Fourth Proportional to 144,312.59, 199,134.12 and 79,773.13

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Solution

The fourth proportional to 144,312.59, 199,134.12 and 79,773.13 is: 110,077.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,312.59 : 199,134.12 = 79,773.13 : x
  2. Step 2: Convert to fraction form
    144,312.59/199,134.12 = 79,773.13/x
  3. Step 3: Cross multiply
    144,312.59x = 199,134.12 × 79,773.13
  4. Step 4: Simplify right side
    144,312.59x = 15,885,551,805.84
  5. Step 5: Solve for x
    x = 15,885,551,805.84/144,312.59
  6. Step 6: Final answer
    x = 110,077.38

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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.