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Finding the Fourth Proportional to 108,562.93, 163,094.69 and 104,078.95

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Solution

The fourth proportional to 108,562.93, 163,094.69 and 104,078.95 is: 156,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,562.93 : 163,094.69 = 104,078.95 : x
  2. Step 2: Convert to fraction form
    108,562.93/163,094.69 = 104,078.95/x
  3. Step 3: Cross multiply
    108,562.93x = 163,094.69 × 104,078.95
  4. Step 4: Simplify right side
    108,562.93x = 16,974,724,085.78
  5. Step 5: Solve for x
    x = 16,974,724,085.78/108,562.93
  6. Step 6: Final answer
    x = 156,358.38

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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.