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Finding the Fourth Proportional to 238,659.96, 358,060.98 and 98,427

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Solution

The fourth proportional to 238,659.96, 358,060.98 and 98,427 is: 147,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,659.96 : 358,060.98 = 98,427 : x
  2. Step 2: Convert to fraction form
    238,659.96/358,060.98 = 98,427/x
  3. Step 3: Cross multiply
    238,659.96x = 358,060.98 × 98,427
  4. Step 4: Simplify right side
    238,659.96x = 35,242,868,078.46
  5. Step 5: Solve for x
    x = 35,242,868,078.46/238,659.96
  6. Step 6: Final answer
    x = 147,669.80

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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.