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Finding the Fourth Proportional to 183,959.71, 253,807.34 and 107,423.60

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Solution

The fourth proportional to 183,959.71, 253,807.34 and 107,423.60 is: 148,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,959.71 : 253,807.34 = 107,423.60 : x
  2. Step 2: Convert to fraction form
    183,959.71/253,807.34 = 107,423.60/x
  3. Step 3: Cross multiply
    183,959.71x = 253,807.34 × 107,423.60
  4. Step 4: Simplify right side
    183,959.71x = 27,264,896,363.07
  5. Step 5: Solve for x
    x = 27,264,896,363.07/183,959.71
  6. Step 6: Final answer
    x = 148,211.24

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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.