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Finding the Fourth Proportional to 245,331.20, 367,802.40 and 134,523.20

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Solution

The fourth proportional to 245,331.20, 367,802.40 and 134,523.20 is: 201,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,331.20 : 367,802.40 = 134,523.20 : x
  2. Step 2: Convert to fraction form
    245,331.20/367,802.40 = 134,523.20/x
  3. Step 3: Cross multiply
    245,331.20x = 367,802.40 × 134,523.20
  4. Step 4: Simplify right side
    245,331.20x = 49,477,955,815.68
  5. Step 5: Solve for x
    x = 49,477,955,815.68/245,331.20
  6. Step 6: Final answer
    x = 201,678.20

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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.