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Finding the Fourth Proportional to 244,533.60, 366,800.40 and 138,245.40

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Solution

The fourth proportional to 244,533.60, 366,800.40 and 138,245.40 is: 207,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,533.60 : 366,800.40 = 138,245.40 : x
  2. Step 2: Convert to fraction form
    244,533.60/366,800.40 = 138,245.40/x
  3. Step 3: Cross multiply
    244,533.60x = 366,800.40 × 138,245.40
  4. Step 4: Simplify right side
    244,533.60x = 50,708,468,018.16
  5. Step 5: Solve for x
    x = 50,708,468,018.16/244,533.60
  6. Step 6: Final answer
    x = 207,368.10

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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.