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Finding the Fourth Proportional to 114,573.54, 158,182.80 and 107,424.61

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Solution

The fourth proportional to 114,573.54, 158,182.80 and 107,424.61 is: 148,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,573.54 : 158,182.80 = 107,424.61 : x
  2. Step 2: Convert to fraction form
    114,573.54/158,182.80 = 107,424.61/x
  3. Step 3: Cross multiply
    114,573.54x = 158,182.80 × 107,424.61
  4. Step 4: Simplify right side
    114,573.54x = 16,992,725,598.71
  5. Step 5: Solve for x
    x = 16,992,725,598.71/114,573.54
  6. Step 6: Final answer
    x = 148,312.83

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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.