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Finding the Fourth Proportional to 159,967.56, 220,751.01 and 88,346.06

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Solution

The fourth proportional to 159,967.56, 220,751.01 and 88,346.06 is: 121,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,967.56 : 220,751.01 = 88,346.06 : x
  2. Step 2: Convert to fraction form
    159,967.56/220,751.01 = 88,346.06/x
  3. Step 3: Cross multiply
    159,967.56x = 220,751.01 × 88,346.06
  4. Step 4: Simplify right side
    159,967.56x = 19,502,480,870.77
  5. Step 5: Solve for x
    x = 19,502,480,870.77/159,967.56
  6. Step 6: Final answer
    x = 121,915.22

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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.