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Finding the Fourth Proportional to 159,907.25, 220,675.45 and 88,291.81

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Solution

The fourth proportional to 159,907.25, 220,675.45 and 88,291.81 is: 121,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,907.25 : 220,675.45 = 88,291.81 : x
  2. Step 2: Convert to fraction form
    159,907.25/220,675.45 = 88,291.81/x
  3. Step 3: Cross multiply
    159,907.25x = 220,675.45 × 88,291.81
  4. Step 4: Simplify right side
    159,907.25x = 19,483,834,903.06
  5. Step 5: Solve for x
    x = 19,483,834,903.06/159,907.25
  6. Step 6: Final answer
    x = 121,844.60

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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.