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Finding the Fourth Proportional to 273,702.10, 410,550.30 and 86,713.60

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Solution

The fourth proportional to 273,702.10, 410,550.30 and 86,713.60 is: 130,069.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,702.10 : 410,550.30 = 86,713.60 : x
  2. Step 2: Convert to fraction form
    273,702.10/410,550.30 = 86,713.60/x
  3. Step 3: Cross multiply
    273,702.10x = 410,550.30 × 86,713.60
  4. Step 4: Simplify right side
    273,702.10x = 35,600,294,494.08
  5. Step 5: Solve for x
    x = 35,600,294,494.08/273,702.10
  6. Step 6: Final answer
    x = 130,069.50

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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.