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Finding the Fourth Proportional to 159,855.02, 220,598.71 and 88,235.02

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Solution

The fourth proportional to 159,855.02, 220,598.71 and 88,235.02 is: 121,763.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,855.02 : 220,598.71 = 88,235.02 : x
  2. Step 2: Convert to fraction form
    159,855.02/220,598.71 = 88,235.02/x
  3. Step 3: Cross multiply
    159,855.02x = 220,598.71 × 88,235.02
  4. Step 4: Simplify right side
    159,855.02x = 19,464,531,643.99
  5. Step 5: Solve for x
    x = 19,464,531,643.99/159,855.02
  6. Step 6: Final answer
    x = 121,763.66

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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.