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Finding the Fourth Proportional to 232,495, 348,745.74 and 66,283

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Solution

The fourth proportional to 232,495, 348,745.74 and 66,283 is: 99,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,495 : 348,745.74 = 66,283 : x
  2. Step 2: Convert to fraction form
    232,495/348,745.74 = 66,283/x
  3. Step 3: Cross multiply
    232,495x = 348,745.74 × 66,283
  4. Step 4: Simplify right side
    232,495x = 23,115,913,884.42
  5. Step 5: Solve for x
    x = 23,115,913,884.42/232,495
  6. Step 6: Final answer
    x = 99,425.42

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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.