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Finding the Fourth Proportional to 144,490.76, 199,397.42 and 79,962.67

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Solution

The fourth proportional to 144,490.76, 199,397.42 and 79,962.67 is: 110,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,490.76 : 199,397.42 = 79,962.67 : x
  2. Step 2: Convert to fraction form
    144,490.76/199,397.42 = 79,962.67/x
  3. Step 3: Cross multiply
    144,490.76x = 199,397.42 × 79,962.67
  4. Step 4: Simplify right side
    144,490.76x = 15,944,350,094.31
  5. Step 5: Solve for x
    x = 15,944,350,094.31/144,490.76
  6. Step 6: Final answer
    x = 110,348.58

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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.