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Finding the Fourth Proportional to 88,157.34, 121,656.72 and 47,870.76

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Solution

The fourth proportional to 88,157.34, 121,656.72 and 47,870.76 is: 66,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,157.34 : 121,656.72 = 47,870.76 : x
  2. Step 2: Convert to fraction form
    88,157.34/121,656.72 = 47,870.76/x
  3. Step 3: Cross multiply
    88,157.34x = 121,656.72 × 47,870.76
  4. Step 4: Simplify right side
    88,157.34x = 5,823,799,645.51
  5. Step 5: Solve for x
    x = 5,823,799,645.51/88,157.34
  6. Step 6: Final answer
    x = 66,061.43

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