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Finding the Fourth Proportional to 108,332.40, 162,628.20 and 60,985.20

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Solution

The fourth proportional to 108,332.40, 162,628.20 and 60,985.20 is: 91,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,332.40 : 162,628.20 = 60,985.20 : x
  2. Step 2: Convert to fraction form
    108,332.40/162,628.20 = 60,985.20/x
  3. Step 3: Cross multiply
    108,332.40x = 162,628.20 × 60,985.20
  4. Step 4: Simplify right side
    108,332.40x = 9,917,913,302.64
  5. Step 5: Solve for x
    x = 9,917,913,302.64/108,332.40
  6. Step 6: Final answer
    x = 91,550.76

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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.