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Finding the Fourth Proportional to 88,140, 132,210 and 22,476

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Solution

The fourth proportional to 88,140, 132,210 and 22,476 is: 33,714

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,140 : 132,210 = 22,476 : x
  2. Step 2: Convert to fraction form
    88,140/132,210 = 22,476/x
  3. Step 3: Cross multiply
    88,140x = 132,210 × 22,476
  4. Step 4: Simplify right side
    88,140x = 2,971,551,960
  5. Step 5: Solve for x
    x = 2,971,551,960/88,140
  6. Step 6: Final answer
    x = 33,714

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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.