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Finding the Fourth Proportional to 185,000.76, 255,312.54 and 104,398.88

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Solution

The fourth proportional to 185,000.76, 255,312.54 and 104,398.88 is: 144,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,000.76 : 255,312.54 = 104,398.88 : x
  2. Step 2: Convert to fraction form
    185,000.76/255,312.54 = 104,398.88/x
  3. Step 3: Cross multiply
    185,000.76x = 255,312.54 × 104,398.88
  4. Step 4: Simplify right side
    185,000.76x = 26,654,341,949.39
  5. Step 5: Solve for x
    x = 26,654,341,949.39/185,000.76
  6. Step 6: Final answer
    x = 144,076.93

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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.