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Finding the Fourth Proportional to 114,959.87, 158,658.43 and 69,636.52

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Solution

The fourth proportional to 114,959.87, 158,658.43 and 69,636.52 is: 96,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,959.87 : 158,658.43 = 69,636.52 : x
  2. Step 2: Convert to fraction form
    114,959.87/158,658.43 = 69,636.52/x
  3. Step 3: Cross multiply
    114,959.87x = 158,658.43 × 69,636.52
  4. Step 4: Simplify right side
    114,959.87x = 11,048,421,088.66
  5. Step 5: Solve for x
    x = 11,048,421,088.66/114,959.87
  6. Step 6: Final answer
    x = 96,106.76

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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.