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Finding the Fourth Proportional to 94,880.80, 142,211.64 and 35,678.71

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Solution

The fourth proportional to 94,880.80, 142,211.64 and 35,678.71 is: 53,476.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,880.80 : 142,211.64 = 35,678.71 : x
  2. Step 2: Convert to fraction form
    94,880.80/142,211.64 = 35,678.71/x
  3. Step 3: Cross multiply
    94,880.80x = 142,211.64 × 35,678.71
  4. Step 4: Simplify right side
    94,880.80x = 5,073,927,862.18
  5. Step 5: Solve for x
    x = 5,073,927,862.18/94,880.80
  6. Step 6: Final answer
    x = 53,476.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.