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Finding the Fourth Proportional to 158,886.84, 238,330.05 and 40,558.20

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Solution

The fourth proportional to 158,886.84, 238,330.05 and 40,558.20 is: 60,837.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,886.84 : 238,330.05 = 40,558.20 : x
  2. Step 2: Convert to fraction form
    158,886.84/238,330.05 = 40,558.20/x
  3. Step 3: Cross multiply
    158,886.84x = 238,330.05 × 40,558.20
  4. Step 4: Simplify right side
    158,886.84x = 9,666,237,833.91
  5. Step 5: Solve for x
    x = 9,666,237,833.91/158,886.84
  6. Step 6: Final answer
    x = 60,837.25

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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.