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Finding the Fourth Proportional to 242,895.02, 364,353.47 and 74,403.06

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Solution

The fourth proportional to 242,895.02, 364,353.47 and 74,403.06 is: 111,607.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,895.02 : 364,353.47 = 74,403.06 : x
  2. Step 2: Convert to fraction form
    242,895.02/364,353.47 = 74,403.06/x
  3. Step 3: Cross multiply
    242,895.02x = 364,353.47 × 74,403.06
  4. Step 4: Simplify right side
    242,895.02x = 27,109,012,717.60
  5. Step 5: Solve for x
    x = 27,109,012,717.60/242,895.02
  6. Step 6: Final answer
    x = 111,607.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.