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Finding the Fourth Proportional to 61,999.69, 92,925.72 and 43,177.81

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Solution

The fourth proportional to 61,999.69, 92,925.72 and 43,177.81 is: 64,715.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,999.69 : 92,925.72 = 43,177.81 : x
  2. Step 2: Convert to fraction form
    61,999.69/92,925.72 = 43,177.81/x
  3. Step 3: Cross multiply
    61,999.69x = 92,925.72 × 43,177.81
  4. Step 4: Simplify right side
    61,999.69x = 4,012,329,082.27
  5. Step 5: Solve for x
    x = 4,012,329,082.27/61,999.69
  6. Step 6: Final answer
    x = 64,715.31

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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.