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Finding the Fourth Proportional to 98,943.60, 148,429.80 and 32,367.60

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Solution

The fourth proportional to 98,943.60, 148,429.80 and 32,367.60 is: 48,556.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,943.60 : 148,429.80 = 32,367.60 : x
  2. Step 2: Convert to fraction form
    98,943.60/148,429.80 = 32,367.60/x
  3. Step 3: Cross multiply
    98,943.60x = 148,429.80 × 32,367.60
  4. Step 4: Simplify right side
    98,943.60x = 4,804,316,394.48
  5. Step 5: Solve for x
    x = 4,804,316,394.48/98,943.60
  6. Step 6: Final answer
    x = 48,556.11

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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.