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Finding the Fourth Proportional to 78,214.94, 107,935.96 and 44,230.10

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Solution

The fourth proportional to 78,214.94, 107,935.96 and 44,230.10 is: 61,037.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,214.94 : 107,935.96 = 44,230.10 : x
  2. Step 2: Convert to fraction form
    78,214.94/107,935.96 = 44,230.10/x
  3. Step 3: Cross multiply
    78,214.94x = 107,935.96 × 44,230.10
  4. Step 4: Simplify right side
    78,214.94x = 4,774,017,737.07
  5. Step 5: Solve for x
    x = 4,774,017,737.07/78,214.94
  6. Step 6: Final answer
    x = 61,037.16

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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.