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Finding the Fourth Proportional to 242,212.90, 363,352.84 and 64,725.70

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Solution

The fourth proportional to 242,212.90, 363,352.84 and 64,725.70 is: 97,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,212.90 : 363,352.84 = 64,725.70 : x
  2. Step 2: Convert to fraction form
    242,212.90/363,352.84 = 64,725.70/x
  3. Step 3: Cross multiply
    242,212.90x = 363,352.84 × 64,725.70
  4. Step 4: Simplify right side
    242,212.90x = 23,518,266,915.99
  5. Step 5: Solve for x
    x = 23,518,266,915.99/242,212.90
  6. Step 6: Final answer
    x = 97,097.50

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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.