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Finding the Fourth Proportional to 108,792.40, 163,253.28 and 58,871.48

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Solution

The fourth proportional to 108,792.40, 163,253.28 and 58,871.48 is: 88,342.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,792.40 : 163,253.28 = 58,871.48 : x
  2. Step 2: Convert to fraction form
    108,792.40/163,253.28 = 58,871.48/x
  3. Step 3: Cross multiply
    108,792.40x = 163,253.28 × 58,871.48
  4. Step 4: Simplify right side
    108,792.40x = 9,610,962,208.45
  5. Step 5: Solve for x
    x = 9,610,962,208.45/108,792.40
  6. Step 6: Final answer
    x = 88,342.22

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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.