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Finding the Fourth Proportional to 108,973.80, 163,460.70 and 38,827.80

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Solution

The fourth proportional to 108,973.80, 163,460.70 and 38,827.80 is: 58,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,973.80 : 163,460.70 = 38,827.80 : x
  2. Step 2: Convert to fraction form
    108,973.80/163,460.70 = 38,827.80/x
  3. Step 3: Cross multiply
    108,973.80x = 163,460.70 × 38,827.80
  4. Step 4: Simplify right side
    108,973.80x = 6,346,819,367.46
  5. Step 5: Solve for x
    x = 6,346,819,367.46/108,973.80
  6. Step 6: Final answer
    x = 58,241.70

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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.