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Finding the Fourth Proportional to 77,034.99, 106,308.99 and 45,204.42

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Solution

The fourth proportional to 77,034.99, 106,308.99 and 45,204.42 is: 62,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,034.99 : 106,308.99 = 45,204.42 : x
  2. Step 2: Convert to fraction form
    77,034.99/106,308.99 = 45,204.42/x
  3. Step 3: Cross multiply
    77,034.99x = 106,308.99 × 45,204.42
  4. Step 4: Simplify right side
    77,034.99x = 4,805,636,233.74
  5. Step 5: Solve for x
    x = 4,805,636,233.74/77,034.99
  6. Step 6: Final answer
    x = 62,382.51

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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.