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Finding the Fourth Proportional to 272,254.68, 375,656.40 and 159,055.56

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Solution

The fourth proportional to 272,254.68, 375,656.40 and 159,055.56 is: 219,464.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,254.68 : 375,656.40 = 159,055.56 : x
  2. Step 2: Convert to fraction form
    272,254.68/375,656.40 = 159,055.56/x
  3. Step 3: Cross multiply
    272,254.68x = 375,656.40 × 159,055.56
  4. Step 4: Simplify right side
    272,254.68x = 59,750,239,069.58
  5. Step 5: Solve for x
    x = 59,750,239,069.58/272,254.68
  6. Step 6: Final answer
    x = 219,464.51

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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.