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Finding the Fourth Proportional to 176,807.66, 243,974.58 and 104,205.83

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Solution

The fourth proportional to 176,807.66, 243,974.58 and 104,205.83 is: 143,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,807.66 : 243,974.58 = 104,205.83 : x
  2. Step 2: Convert to fraction form
    176,807.66/243,974.58 = 104,205.83/x
  3. Step 3: Cross multiply
    176,807.66x = 243,974.58 × 104,205.83
  4. Step 4: Simplify right side
    176,807.66x = 25,423,572,387.93
  5. Step 5: Solve for x
    x = 25,423,572,387.93/176,807.66
  6. Step 6: Final answer
    x = 143,792.26

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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.