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Finding the Fourth Proportional to 61,376.98, 91,981.48 and 46,371.77

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Solution

The fourth proportional to 61,376.98, 91,981.48 and 46,371.77 is: 69,494.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,376.98 : 91,981.48 = 46,371.77 : x
  2. Step 2: Convert to fraction form
    61,376.98/91,981.48 = 46,371.77/x
  3. Step 3: Cross multiply
    61,376.98x = 91,981.48 × 46,371.77
  4. Step 4: Simplify right side
    61,376.98x = 4,265,343,631.92
  5. Step 5: Solve for x
    x = 4,265,343,631.92/61,376.98
  6. Step 6: Final answer
    x = 69,494.19

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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.