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Finding the Fourth Proportional to 82,341.61, 113,631.87 and 44,615.86

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Solution

The fourth proportional to 82,341.61, 113,631.87 and 44,615.86 is: 61,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,341.61 : 113,631.87 = 44,615.86 : x
  2. Step 2: Convert to fraction form
    82,341.61/113,631.87 = 44,615.86/x
  3. Step 3: Cross multiply
    82,341.61x = 113,631.87 × 44,615.86
  4. Step 4: Simplify right side
    82,341.61x = 5,069,783,603.46
  5. Step 5: Solve for x
    x = 5,069,783,603.46/82,341.61
  6. Step 6: Final answer
    x = 61,570.13

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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.