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Finding the Fourth Proportional to 67,396, 101,094.08 and 18,148

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Solution

The fourth proportional to 67,396, 101,094.08 and 18,148 is: 27,222.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,396 : 101,094.08 = 18,148 : x
  2. Step 2: Convert to fraction form
    67,396/101,094.08 = 18,148/x
  3. Step 3: Cross multiply
    67,396x = 101,094.08 × 18,148
  4. Step 4: Simplify right side
    67,396x = 1,834,655,363.84
  5. Step 5: Solve for x
    x = 1,834,655,363.84/67,396
  6. Step 6: Final answer
    x = 27,222.02

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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.