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Finding the Fourth Proportional to 168,210.30, 252,666.45 and 141,966.30

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Solution

The fourth proportional to 168,210.30, 252,666.45 and 141,966.30 is: 213,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,210.30 : 252,666.45 = 141,966.30 : x
  2. Step 2: Convert to fraction form
    168,210.30/252,666.45 = 141,966.30/x
  3. Step 3: Cross multiply
    168,210.30x = 252,666.45 × 141,966.30
  4. Step 4: Simplify right side
    168,210.30x = 35,870,121,040.64
  5. Step 5: Solve for x
    x = 35,870,121,040.64/168,210.30
  6. Step 6: Final answer
    x = 213,245.69

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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.