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Finding the Fourth Proportional to 144,463.43, 199,348.71 and 80,788.93

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Solution

The fourth proportional to 144,463.43, 199,348.71 and 80,788.93 is: 111,482.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,463.43 : 199,348.71 = 80,788.93 : x
  2. Step 2: Convert to fraction form
    144,463.43/199,348.71 = 80,788.93/x
  3. Step 3: Cross multiply
    144,463.43x = 199,348.71 × 80,788.93
  4. Step 4: Simplify right side
    144,463.43x = 16,105,168,176.45
  5. Step 5: Solve for x
    x = 16,105,168,176.45/144,463.43
  6. Step 6: Final answer
    x = 111,482.66

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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.