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Finding the Fourth Proportional to 264,482.25, 364,988.15 and 143,624.58

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Solution

The fourth proportional to 264,482.25, 364,988.15 and 143,624.58 is: 198,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,482.25 : 364,988.15 = 143,624.58 : x
  2. Step 2: Convert to fraction form
    264,482.25/364,988.15 = 143,624.58/x
  3. Step 3: Cross multiply
    264,482.25x = 364,988.15 × 143,624.58
  4. Step 4: Simplify right side
    264,482.25x = 52,421,269,748.73
  5. Step 5: Solve for x
    x = 52,421,269,748.73/264,482.25
  6. Step 6: Final answer
    x = 198,203.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.