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Finding the Fourth Proportional to 177,365.80, 265,400.70 and 130,709.80

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Solution

The fourth proportional to 177,365.80, 265,400.70 and 130,709.80 is: 195,587.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,365.80 : 265,400.70 = 130,709.80 : x
  2. Step 2: Convert to fraction form
    177,365.80/265,400.70 = 130,709.80/x
  3. Step 3: Cross multiply
    177,365.80x = 265,400.70 × 130,709.80
  4. Step 4: Simplify right side
    177,365.80x = 34,690,472,416.86
  5. Step 5: Solve for x
    x = 34,690,472,416.86/177,365.80
  6. Step 6: Final answer
    x = 195,587.16

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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.