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Finding the Fourth Proportional to 65,678.41, 98,516.56 and 44,565.94

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Solution

The fourth proportional to 65,678.41, 98,516.56 and 44,565.94 is: 66,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,678.41 : 98,516.56 = 44,565.94 : x
  2. Step 2: Convert to fraction form
    65,678.41/98,516.56 = 44,565.94/x
  3. Step 3: Cross multiply
    65,678.41x = 98,516.56 × 44,565.94
  4. Step 4: Simplify right side
    65,678.41x = 4,390,483,101.97
  5. Step 5: Solve for x
    x = 4,390,483,101.97/65,678.41
  6. Step 6: Final answer
    x = 66,848.19

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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.