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Finding the Fourth Proportional to 92,963, 139,950.32 and 84,696.14

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Solution

The fourth proportional to 92,963, 139,950.32 and 84,696.14 is: 127,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,963 : 139,950.32 = 84,696.14 : x
  2. Step 2: Convert to fraction form
    92,963/139,950.32 = 84,696.14/x
  3. Step 3: Cross multiply
    92,963x = 139,950.32 × 84,696.14
  4. Step 4: Simplify right side
    92,963x = 11,853,251,895.76
  5. Step 5: Solve for x
    x = 11,853,251,895.76/92,963
  6. Step 6: Final answer
    x = 127,505.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.