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Finding the Fourth Proportional to 98,674.76, 148,030.40 and 31,223.78

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Solution

The fourth proportional to 98,674.76, 148,030.40 and 31,223.78 is: 46,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,674.76 : 148,030.40 = 31,223.78 : x
  2. Step 2: Convert to fraction form
    98,674.76/148,030.40 = 31,223.78/x
  3. Step 3: Cross multiply
    98,674.76x = 148,030.40 × 31,223.78
  4. Step 4: Simplify right side
    98,674.76x = 4,622,068,642.91
  5. Step 5: Solve for x
    x = 4,622,068,642.91/98,674.76
  6. Step 6: Final answer
    x = 46,841.45

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