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Finding the Fourth Proportional to 101,531.64, 152,184.18 and 42,347.64

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Solution

The fourth proportional to 101,531.64, 152,184.18 and 42,347.64 is: 63,474.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,531.64 : 152,184.18 = 42,347.64 : x
  2. Step 2: Convert to fraction form
    101,531.64/152,184.18 = 42,347.64/x
  3. Step 3: Cross multiply
    101,531.64x = 152,184.18 × 42,347.64
  4. Step 4: Simplify right side
    101,531.64x = 6,444,640,868.34
  5. Step 5: Solve for x
    x = 6,444,640,868.34/101,531.64
  6. Step 6: Final answer
    x = 63,474.21

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