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Finding the Fourth Proportional to 111,369.84, 153,691.43 and 60,382.44

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Solution

The fourth proportional to 111,369.84, 153,691.43 and 60,382.44 is: 83,328.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,369.84 : 153,691.43 = 60,382.44 : x
  2. Step 2: Convert to fraction form
    111,369.84/153,691.43 = 60,382.44/x
  3. Step 3: Cross multiply
    111,369.84x = 153,691.43 × 60,382.44
  4. Step 4: Simplify right side
    111,369.84x = 9,280,263,550.49
  5. Step 5: Solve for x
    x = 9,280,263,550.49/111,369.84
  6. Step 6: Final answer
    x = 83,328.34

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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.