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Finding the Fourth Proportional to 168,031.10, 252,119.55 and 84,925.10

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Solution

The fourth proportional to 168,031.10, 252,119.55 and 84,925.10 is: 127,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,031.10 : 252,119.55 = 84,925.10 : x
  2. Step 2: Convert to fraction form
    168,031.10/252,119.55 = 84,925.10/x
  3. Step 3: Cross multiply
    168,031.10x = 252,119.55 × 84,925.10
  4. Step 4: Simplify right side
    168,031.10x = 21,411,277,995.71
  5. Step 5: Solve for x
    x = 21,411,277,995.71/168,031.10
  6. Step 6: Final answer
    x = 127,424.49

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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.