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Finding the Fourth Proportional to 83,071.85, 124,581.63 and 26,898.98

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Solution

The fourth proportional to 83,071.85, 124,581.63 and 26,898.98 is: 40,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,071.85 : 124,581.63 = 26,898.98 : x
  2. Step 2: Convert to fraction form
    83,071.85/124,581.63 = 26,898.98/x
  3. Step 3: Cross multiply
    83,071.85x = 124,581.63 × 26,898.98
  4. Step 4: Simplify right side
    83,071.85x = 3,351,118,150.83
  5. Step 5: Solve for x
    x = 3,351,118,150.83/83,071.85
  6. Step 6: Final answer
    x = 40,340.00

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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.