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Finding the Fourth Proportional to 169,128.48, 233,389.08 and 92,648.02

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Solution

The fourth proportional to 169,128.48, 233,389.08 and 92,648.02 is: 127,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,128.48 : 233,389.08 = 92,648.02 : x
  2. Step 2: Convert to fraction form
    169,128.48/233,389.08 = 92,648.02/x
  3. Step 3: Cross multiply
    169,128.48x = 233,389.08 × 92,648.02
  4. Step 4: Simplify right side
    169,128.48x = 21,623,036,151.62
  5. Step 5: Solve for x
    x = 21,623,036,151.62/169,128.48
  6. Step 6: Final answer
    x = 127,849.76

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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.