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Finding the Fourth Proportional to 58,911.60, 88,151.40 and 43,359.60

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Solution

The fourth proportional to 58,911.60, 88,151.40 and 43,359.60 is: 64,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,911.60 : 88,151.40 = 43,359.60 : x
  2. Step 2: Convert to fraction form
    58,911.60/88,151.40 = 43,359.60/x
  3. Step 3: Cross multiply
    58,911.60x = 88,151.40 × 43,359.60
  4. Step 4: Simplify right side
    58,911.60x = 3,822,209,443.44
  5. Step 5: Solve for x
    x = 3,822,209,443.44/58,911.60
  6. Step 6: Final answer
    x = 64,880.42

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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.