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Finding the Fourth Proportional to 58,712.40, 88,068.60 and 47,048.40

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Solution

The fourth proportional to 58,712.40, 88,068.60 and 47,048.40 is: 70,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,712.40 : 88,068.60 = 47,048.40 : x
  2. Step 2: Convert to fraction form
    58,712.40/88,068.60 = 47,048.40/x
  3. Step 3: Cross multiply
    58,712.40x = 88,068.60 × 47,048.40
  4. Step 4: Simplify right side
    58,712.40x = 4,143,486,720.24
  5. Step 5: Solve for x
    x = 4,143,486,720.24/58,712.40
  6. Step 6: Final answer
    x = 70,572.60

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