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Finding the Fourth Proportional to 114,959.56, 158,642.66 and 64,658.56

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Solution

The fourth proportional to 114,959.56, 158,642.66 and 64,658.56 is: 89,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,959.56 : 158,642.66 = 64,658.56 : x
  2. Step 2: Convert to fraction form
    114,959.56/158,642.66 = 64,658.56/x
  3. Step 3: Cross multiply
    114,959.56x = 158,642.66 × 64,658.56
  4. Step 4: Simplify right side
    114,959.56x = 10,257,605,950.17
  5. Step 5: Solve for x
    x = 10,257,605,950.17/114,959.56
  6. Step 6: Final answer
    x = 89,227.95

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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.