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Finding the Fourth Proportional to 83,445.66, 125,109.69 and 30,848.22

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Solution

The fourth proportional to 83,445.66, 125,109.69 and 30,848.22 is: 46,250.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,445.66 : 125,109.69 = 30,848.22 : x
  2. Step 2: Convert to fraction form
    83,445.66/125,109.69 = 30,848.22/x
  3. Step 3: Cross multiply
    83,445.66x = 125,109.69 × 30,848.22
  4. Step 4: Simplify right side
    83,445.66x = 3,859,411,241.25
  5. Step 5: Solve for x
    x = 3,859,411,241.25/83,445.66
  6. Step 6: Final answer
    x = 46,250.59

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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.