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Finding the Fourth Proportional to 162,878.40, 244,317.60 and 133,329.60

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Solution

The fourth proportional to 162,878.40, 244,317.60 and 133,329.60 is: 199,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,878.40 : 244,317.60 = 133,329.60 : x
  2. Step 2: Convert to fraction form
    162,878.40/244,317.60 = 133,329.60/x
  3. Step 3: Cross multiply
    162,878.40x = 244,317.60 × 133,329.60
  4. Step 4: Simplify right side
    162,878.40x = 32,574,767,880.96
  5. Step 5: Solve for x
    x = 32,574,767,880.96/162,878.40
  6. Step 6: Final answer
    x = 199,994.40

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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.