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Finding the Fourth Proportional to 173,165.79, 238,966.52 and 96,686.19

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Solution

The fourth proportional to 173,165.79, 238,966.52 and 96,686.19 is: 133,425.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,165.79 : 238,966.52 = 96,686.19 : x
  2. Step 2: Convert to fraction form
    173,165.79/238,966.52 = 96,686.19/x
  3. Step 3: Cross multiply
    173,165.79x = 238,966.52 × 96,686.19
  4. Step 4: Simplify right side
    173,165.79x = 23,104,762,598.07
  5. Step 5: Solve for x
    x = 23,104,762,598.07/173,165.79
  6. Step 6: Final answer
    x = 133,425.68

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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.