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Finding the Fourth Proportional to 177,141.48, 265,759.38 and 77,309.64

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Solution

The fourth proportional to 177,141.48, 265,759.38 and 77,309.64 is: 115,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,141.48 : 265,759.38 = 77,309.64 : x
  2. Step 2: Convert to fraction form
    177,141.48/265,759.38 = 77,309.64/x
  3. Step 3: Cross multiply
    177,141.48x = 265,759.38 × 77,309.64
  4. Step 4: Simplify right side
    177,141.48x = 20,545,761,994.42
  5. Step 5: Solve for x
    x = 20,545,761,994.42/177,141.48
  6. Step 6: Final answer
    x = 115,985.04

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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.