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Finding the Fourth Proportional to 342,674.01, 514,066.10 and 117,979.20

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Solution

The fourth proportional to 342,674.01, 514,066.10 and 117,979.20 is: 176,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,674.01 : 514,066.10 = 117,979.20 : x
  2. Step 2: Convert to fraction form
    342,674.01/514,066.10 = 117,979.20/x
  3. Step 3: Cross multiply
    342,674.01x = 514,066.10 × 117,979.20
  4. Step 4: Simplify right side
    342,674.01x = 60,649,106,635.22
  5. Step 5: Solve for x
    x = 60,649,106,635.22/342,674.01
  6. Step 6: Final answer
    x = 176,987.76

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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.