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Finding the Fourth Proportional to 272,557.05, 375,806.88 and 186,557.46

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Solution

The fourth proportional to 272,557.05, 375,806.88 and 186,557.46 is: 257,229.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,557.05 : 375,806.88 = 186,557.46 : x
  2. Step 2: Convert to fraction form
    272,557.05/375,806.88 = 186,557.46/x
  3. Step 3: Cross multiply
    272,557.05x = 375,806.88 × 186,557.46
  4. Step 4: Simplify right side
    272,557.05x = 70,109,576,983.32
  5. Step 5: Solve for x
    x = 70,109,576,983.32/272,557.05
  6. Step 6: Final answer
    x = 257,229.00

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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.