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Finding the Fourth Proportional to 161,973.20, 242,854.20 and 145,384.40

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Solution

The fourth proportional to 161,973.20, 242,854.20 and 145,384.40 is: 217,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,973.20 : 242,854.20 = 145,384.40 : x
  2. Step 2: Convert to fraction form
    161,973.20/242,854.20 = 145,384.40/x
  3. Step 3: Cross multiply
    161,973.20x = 242,854.20 × 145,384.40
  4. Step 4: Simplify right side
    161,973.20x = 35,307,212,154.48
  5. Step 5: Solve for x
    x = 35,307,212,154.48/161,973.20
  6. Step 6: Final answer
    x = 217,981.82

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