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Finding the Fourth Proportional to 174,186.60, 260,769.60 and 130,009.20

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Solution

The fourth proportional to 174,186.60, 260,769.60 and 130,009.20 is: 194,632.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,186.60 : 260,769.60 = 130,009.20 : x
  2. Step 2: Convert to fraction form
    174,186.60/260,769.60 = 130,009.20/x
  3. Step 3: Cross multiply
    174,186.60x = 260,769.60 × 130,009.20
  4. Step 4: Simplify right side
    174,186.60x = 33,902,447,080.32
  5. Step 5: Solve for x
    x = 33,902,447,080.32/174,186.60
  6. Step 6: Final answer
    x = 194,632.92

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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.