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Finding the Fourth Proportional to 244,807.60, 367,211.40 and 139,637.20

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Solution

The fourth proportional to 244,807.60, 367,211.40 and 139,637.20 is: 209,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,807.60 : 367,211.40 = 139,637.20 : x
  2. Step 2: Convert to fraction form
    244,807.60/367,211.40 = 139,637.20/x
  3. Step 3: Cross multiply
    244,807.60x = 367,211.40 × 139,637.20
  4. Step 4: Simplify right side
    244,807.60x = 51,276,371,704.08
  5. Step 5: Solve for x
    x = 51,276,371,704.08/244,807.60
  6. Step 6: Final answer
    x = 209,455.80

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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.