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Finding the Fourth Proportional to 183,411.60, 275,117.40 and 126,330.90

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Solution

The fourth proportional to 183,411.60, 275,117.40 and 126,330.90 is: 189,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,411.60 : 275,117.40 = 126,330.90 : x
  2. Step 2: Convert to fraction form
    183,411.60/275,117.40 = 126,330.90/x
  3. Step 3: Cross multiply
    183,411.60x = 275,117.40 × 126,330.90
  4. Step 4: Simplify right side
    183,411.60x = 34,755,828,747.66
  5. Step 5: Solve for x
    x = 34,755,828,747.66/183,411.60
  6. Step 6: Final answer
    x = 189,496.35

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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.