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Finding the Fourth Proportional to 159,122.84, 238,798.04 and 57,920.72

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Solution

The fourth proportional to 159,122.84, 238,798.04 and 57,920.72 is: 86,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,122.84 : 238,798.04 = 57,920.72 : x
  2. Step 2: Convert to fraction form
    159,122.84/238,798.04 = 57,920.72/x
  3. Step 3: Cross multiply
    159,122.84x = 238,798.04 × 57,920.72
  4. Step 4: Simplify right side
    159,122.84x = 13,831,352,927.80
  5. Step 5: Solve for x
    x = 13,831,352,927.80/159,122.84
  6. Step 6: Final answer
    x = 86,922.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.