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Finding the Fourth Proportional to 155,188.67, 232,746.10 and 42,866.40

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Solution

The fourth proportional to 155,188.67, 232,746.10 and 42,866.40 is: 64,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,188.67 : 232,746.10 = 42,866.40 : x
  2. Step 2: Convert to fraction form
    155,188.67/232,746.10 = 42,866.40/x
  3. Step 3: Cross multiply
    155,188.67x = 232,746.10 × 42,866.40
  4. Step 4: Simplify right side
    155,188.67x = 9,976,988,186.67
  5. Step 5: Solve for x
    x = 9,976,988,186.67/155,188.67
  6. Step 6: Final answer
    x = 64,289.41

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