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Finding the Fourth Proportional to 270,702.30, 406,053.45 and 83,713.80

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Solution

The fourth proportional to 270,702.30, 406,053.45 and 83,713.80 is: 125,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,702.30 : 406,053.45 = 83,713.80 : x
  2. Step 2: Convert to fraction form
    270,702.30/406,053.45 = 83,713.80/x
  3. Step 3: Cross multiply
    270,702.30x = 406,053.45 × 83,713.80
  4. Step 4: Simplify right side
    270,702.30x = 33,992,277,302.61
  5. Step 5: Solve for x
    x = 33,992,277,302.61/270,702.30
  6. Step 6: Final answer
    x = 125,570.70

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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.