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Finding the Fourth Proportional to 370,465.18, 555,697.77 and 89,980.54

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Solution

The fourth proportional to 370,465.18, 555,697.77 and 89,980.54 is: 134,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,465.18 : 555,697.77 = 89,980.54 : x
  2. Step 2: Convert to fraction form
    370,465.18/555,697.77 = 89,980.54/x
  3. Step 3: Cross multiply
    370,465.18x = 555,697.77 × 89,980.54
  4. Step 4: Simplify right side
    370,465.18x = 50,001,985,421.40
  5. Step 5: Solve for x
    x = 50,001,985,421.40/370,465.18
  6. Step 6: Final answer
    x = 134,970.81

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