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Finding the Fourth Proportional to 116,482.60, 174,572.70 and 54,020.20

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Solution

The fourth proportional to 116,482.60, 174,572.70 and 54,020.20 is: 80,960.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,482.60 : 174,572.70 = 54,020.20 : x
  2. Step 2: Convert to fraction form
    116,482.60/174,572.70 = 54,020.20/x
  3. Step 3: Cross multiply
    116,482.60x = 174,572.70 × 54,020.20
  4. Step 4: Simplify right side
    116,482.60x = 9,430,452,168.54
  5. Step 5: Solve for x
    x = 9,430,452,168.54/116,482.60
  6. Step 6: Final answer
    x = 80,960.18

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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.