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Finding the Fourth Proportional to 183,520.80, 275,281.20 and 130,376.70

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Solution

The fourth proportional to 183,520.80, 275,281.20 and 130,376.70 is: 195,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,520.80 : 275,281.20 = 130,376.70 : x
  2. Step 2: Convert to fraction form
    183,520.80/275,281.20 = 130,376.70/x
  3. Step 3: Cross multiply
    183,520.80x = 275,281.20 × 130,376.70
  4. Step 4: Simplify right side
    183,520.80x = 35,890,254,428.04
  5. Step 5: Solve for x
    x = 35,890,254,428.04/183,520.80
  6. Step 6: Final answer
    x = 195,565.05

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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.