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Finding the Fourth Proportional to 134,497.01, 185,731.85 and 84,283.49

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Solution

The fourth proportional to 134,497.01, 185,731.85 and 84,283.49 is: 116,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,497.01 : 185,731.85 = 84,283.49 : x
  2. Step 2: Convert to fraction form
    134,497.01/185,731.85 = 84,283.49/x
  3. Step 3: Cross multiply
    134,497.01x = 185,731.85 × 84,283.49
  4. Step 4: Simplify right side
    134,497.01x = 15,654,128,100.74
  5. Step 5: Solve for x
    x = 15,654,128,100.74/134,497.01
  6. Step 6: Final answer
    x = 116,390.16

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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.