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Finding the Fourth Proportional to 185,159.52, 255,329.04 and 158,390.64

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Solution

The fourth proportional to 185,159.52, 255,329.04 and 158,390.64 is: 218,415.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,159.52 : 255,329.04 = 158,390.64 : x
  2. Step 2: Convert to fraction form
    185,159.52/255,329.04 = 158,390.64/x
  3. Step 3: Cross multiply
    185,159.52x = 255,329.04 × 158,390.64
  4. Step 4: Simplify right side
    185,159.52x = 40,441,730,056.19
  5. Step 5: Solve for x
    x = 40,441,730,056.19/185,159.52
  6. Step 6: Final answer
    x = 218,415.61

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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.