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Finding the Fourth Proportional to 112,000.18, 154,505.76 and 71,681.62

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Solution

The fourth proportional to 112,000.18, 154,505.76 and 71,681.62 is: 98,885.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,000.18 : 154,505.76 = 71,681.62 : x
  2. Step 2: Convert to fraction form
    112,000.18/154,505.76 = 71,681.62/x
  3. Step 3: Cross multiply
    112,000.18x = 154,505.76 × 71,681.62
  4. Step 4: Simplify right side
    112,000.18x = 11,075,223,176.13
  5. Step 5: Solve for x
    x = 11,075,223,176.13/112,000.18
  6. Step 6: Final answer
    x = 98,885.76

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