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Finding the Fourth Proportional to 83,297.50, 114,950.58 and 45,572.56

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Solution

The fourth proportional to 83,297.50, 114,950.58 and 45,572.56 is: 62,890.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,297.50 : 114,950.58 = 45,572.56 : x
  2. Step 2: Convert to fraction form
    83,297.50/114,950.58 = 45,572.56/x
  3. Step 3: Cross multiply
    83,297.50x = 114,950.58 × 45,572.56
  4. Step 4: Simplify right side
    83,297.50x = 5,238,592,204.08
  5. Step 5: Solve for x
    x = 5,238,592,204.08/83,297.50
  6. Step 6: Final answer
    x = 62,890.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.