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Finding the Fourth Proportional to 134,512.98, 185,583.48 and 86,798.04

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Solution

The fourth proportional to 134,512.98, 185,583.48 and 86,798.04 is: 119,752.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,512.98 : 185,583.48 = 86,798.04 : x
  2. Step 2: Convert to fraction form
    134,512.98/185,583.48 = 86,798.04/x
  3. Step 3: Cross multiply
    134,512.98x = 185,583.48 × 86,798.04
  4. Step 4: Simplify right side
    134,512.98x = 16,108,282,320.38
  5. Step 5: Solve for x
    x = 16,108,282,320.38/134,512.98
  6. Step 6: Final answer
    x = 119,752.62

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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.