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Finding the Fourth Proportional to 67,810.10, 101,715.15 and 42,926.90

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Solution

The fourth proportional to 67,810.10, 101,715.15 and 42,926.90 is: 64,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,810.10 : 101,715.15 = 42,926.90 : x
  2. Step 2: Convert to fraction form
    67,810.10/101,715.15 = 42,926.90/x
  3. Step 3: Cross multiply
    67,810.10x = 101,715.15 × 42,926.90
  4. Step 4: Simplify right side
    67,810.10x = 4,366,316,072.54
  5. Step 5: Solve for x
    x = 4,366,316,072.54/67,810.10
  6. Step 6: Final answer
    x = 64,390.35

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