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Finding the Fourth Proportional to 177,158.80, 265,090.20 and 130,502.80

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Solution

The fourth proportional to 177,158.80, 265,090.20 and 130,502.80 is: 195,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,158.80 : 265,090.20 = 130,502.80 : x
  2. Step 2: Convert to fraction form
    177,158.80/265,090.20 = 130,502.80/x
  3. Step 3: Cross multiply
    177,158.80x = 265,090.20 × 130,502.80
  4. Step 4: Simplify right side
    177,158.80x = 34,595,013,352.56
  5. Step 5: Solve for x
    x = 34,595,013,352.56/177,158.80
  6. Step 6: Final answer
    x = 195,276.86

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1.5x scale

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.