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Finding the Fourth Proportional to 108,503.57, 163,005.50 and 104,019.62

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Solution

The fourth proportional to 108,503.57, 163,005.50 and 104,019.62 is: 156,269.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,503.57 : 163,005.50 = 104,019.62 : x
  2. Step 2: Convert to fraction form
    108,503.57/163,005.50 = 104,019.62/x
  3. Step 3: Cross multiply
    108,503.57x = 163,005.50 × 104,019.62
  4. Step 4: Simplify right side
    108,503.57x = 16,955,769,612.93
  5. Step 5: Solve for x
    x = 16,955,769,612.93/108,503.57
  6. Step 6: Final answer
    x = 156,269.23

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1.5x scale

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.