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Finding the Fourth Proportional to 98,748.40, 148,157.16 and 28,631.92

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Solution

The fourth proportional to 98,748.40, 148,157.16 and 28,631.92 is: 42,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,748.40 : 148,157.16 = 28,631.92 : x
  2. Step 2: Convert to fraction form
    98,748.40/148,157.16 = 28,631.92/x
  3. Step 3: Cross multiply
    98,748.40x = 148,157.16 × 28,631.92
  4. Step 4: Simplify right side
    98,748.40x = 4,242,023,952.55
  5. Step 5: Solve for x
    x = 4,242,023,952.55/98,748.40
  6. Step 6: Final answer
    x = 42,957.90

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