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Finding the Fourth Proportional to 83,071.35, 124,580.88 and 26,898.48

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Solution

The fourth proportional to 83,071.35, 124,580.88 and 26,898.48 is: 40,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,071.35 : 124,580.88 = 26,898.48 : x
  2. Step 2: Convert to fraction form
    83,071.35/124,580.88 = 26,898.48/x
  3. Step 3: Cross multiply
    83,071.35x = 124,580.88 × 26,898.48
  4. Step 4: Simplify right side
    83,071.35x = 3,351,036,309.06
  5. Step 5: Solve for x
    x = 3,351,036,309.06/83,071.35
  6. Step 6: Final answer
    x = 40,339.25

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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.