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Finding the Fourth Proportional to 177,130.80, 265,696.20 and 52,471.80

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Solution

The fourth proportional to 177,130.80, 265,696.20 and 52,471.80 is: 78,707.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,130.80 : 265,696.20 = 52,471.80 : x
  2. Step 2: Convert to fraction form
    177,130.80/265,696.20 = 52,471.80/x
  3. Step 3: Cross multiply
    177,130.80x = 265,696.20 × 52,471.80
  4. Step 4: Simplify right side
    177,130.80x = 13,941,557,867.16
  5. Step 5: Solve for x
    x = 13,941,557,867.16/177,130.80
  6. Step 6: Final answer
    x = 78,707.70

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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.