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Finding the Fourth Proportional to 83,281.44, 114,926.64 and 45,554.40

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Solution

The fourth proportional to 83,281.44, 114,926.64 and 45,554.40 is: 62,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,281.44 : 114,926.64 = 45,554.40 : x
  2. Step 2: Convert to fraction form
    83,281.44/114,926.64 = 45,554.40/x
  3. Step 3: Cross multiply
    83,281.44x = 114,926.64 × 45,554.40
  4. Step 4: Simplify right side
    83,281.44x = 5,235,414,129.22
  5. Step 5: Solve for x
    x = 5,235,414,129.22/83,281.44
  6. Step 6: Final answer
    x = 62,864.12

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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.