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Finding the Fourth Proportional to 169,853.20, 254,747.40 and 51,528.40

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Solution

The fourth proportional to 169,853.20, 254,747.40 and 51,528.40 is: 77,282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,853.20 : 254,747.40 = 51,528.40 : x
  2. Step 2: Convert to fraction form
    169,853.20/254,747.40 = 51,528.40/x
  3. Step 3: Cross multiply
    169,853.20x = 254,747.40 × 51,528.40
  4. Step 4: Simplify right side
    169,853.20x = 13,126,725,926.16
  5. Step 5: Solve for x
    x = 13,126,725,926.16/169,853.20
  6. Step 6: Final answer
    x = 77,282.77

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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.