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Finding the Fourth Proportional to 269,807.36, 372,276.36 and 156,569.36

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Solution

The fourth proportional to 269,807.36, 372,276.36 and 156,569.36 is: 216,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,807.36 : 372,276.36 = 156,569.36 : x
  2. Step 2: Convert to fraction form
    269,807.36/372,276.36 = 156,569.36/x
  3. Step 3: Cross multiply
    269,807.36x = 372,276.36 × 156,569.36
  4. Step 4: Simplify right side
    269,807.36x = 58,287,071,428.33
  5. Step 5: Solve for x
    x = 58,287,071,428.33/269,807.36
  6. Step 6: Final answer
    x = 216,032.18

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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.