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Finding the Fourth Proportional to 247,112.87, 370,528.88 and 97,272

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Solution

The fourth proportional to 247,112.87, 370,528.88 and 97,272 is: 145,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,112.87 : 370,528.88 = 97,272 : x
  2. Step 2: Convert to fraction form
    247,112.87/370,528.88 = 97,272/x
  3. Step 3: Cross multiply
    247,112.87x = 370,528.88 × 97,272
  4. Step 4: Simplify right side
    247,112.87x = 36,042,084,729
  5. Step 5: Solve for x
    x = 36,042,084,729/247,112.87
  6. Step 6: Final answer
    x = 145,852.72

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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.