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Finding the Fourth Proportional to 183,411.80, 275,117.70 and 130,267.70

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Solution

The fourth proportional to 183,411.80, 275,117.70 and 130,267.70 is: 195,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,411.80 : 275,117.70 = 130,267.70 : x
  2. Step 2: Convert to fraction form
    183,411.80/275,117.70 = 130,267.70/x
  3. Step 3: Cross multiply
    183,411.80x = 275,117.70 × 130,267.70
  4. Step 4: Simplify right side
    183,411.80x = 35,838,950,008.29
  5. Step 5: Solve for x
    x = 35,838,950,008.29/183,411.80
  6. Step 6: Final answer
    x = 195,401.55

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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.