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Finding the Fourth Proportional to 108,616.30, 162,924.45 and 93,582.70

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Solution

The fourth proportional to 108,616.30, 162,924.45 and 93,582.70 is: 140,374.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,616.30 : 162,924.45 = 93,582.70 : x
  2. Step 2: Convert to fraction form
    108,616.30/162,924.45 = 93,582.70/x
  3. Step 3: Cross multiply
    108,616.30x = 162,924.45 × 93,582.70
  4. Step 4: Simplify right side
    108,616.30x = 15,246,909,927.02
  5. Step 5: Solve for x
    x = 15,246,909,927.02/108,616.30
  6. Step 6: Final answer
    x = 140,374.05

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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.