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Finding the Fourth Proportional to 252,034.60, 378,051.90 and 168,053.80

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Solution

The fourth proportional to 252,034.60, 378,051.90 and 168,053.80 is: 252,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,034.60 : 378,051.90 = 168,053.80 : x
  2. Step 2: Convert to fraction form
    252,034.60/378,051.90 = 168,053.80/x
  3. Step 3: Cross multiply
    252,034.60x = 378,051.90 × 168,053.80
  4. Step 4: Simplify right side
    252,034.60x = 63,533,058,392.22
  5. Step 5: Solve for x
    x = 63,533,058,392.22/252,034.60
  6. Step 6: Final answer
    x = 252,080.70

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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.