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Finding the Fourth Proportional to 243,411.04, 364,228.44 and 143,619.04

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Solution

The fourth proportional to 243,411.04, 364,228.44 and 143,619.04 is: 214,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,411.04 : 364,228.44 = 143,619.04 : x
  2. Step 2: Convert to fraction form
    243,411.04/364,228.44 = 143,619.04/x
  3. Step 3: Cross multiply
    243,411.04x = 364,228.44 × 143,619.04
  4. Step 4: Simplify right side
    243,411.04x = 52,310,138,893.50
  5. Step 5: Solve for x
    x = 52,310,138,893.50/243,411.04
  6. Step 6: Final answer
    x = 214,904.55

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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.