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Finding the Fourth Proportional to 130,031.30, 179,440.44 and 72,671.16

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Solution

The fourth proportional to 130,031.30, 179,440.44 and 72,671.16 is: 100,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,031.30 : 179,440.44 = 72,671.16 : x
  2. Step 2: Convert to fraction form
    130,031.30/179,440.44 = 72,671.16/x
  3. Step 3: Cross multiply
    130,031.30x = 179,440.44 × 72,671.16
  4. Step 4: Simplify right side
    130,031.30x = 13,040,144,925.71
  5. Step 5: Solve for x
    x = 13,040,144,925.71/130,031.30
  6. Step 6: Final answer
    x = 100,284.66

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