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Finding the Fourth Proportional to 67,426.84, 101,134.14 and 29,988.64

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Solution

The fourth proportional to 67,426.84, 101,134.14 and 29,988.64 is: 44,980.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,426.84 : 101,134.14 = 29,988.64 : x
  2. Step 2: Convert to fraction form
    67,426.84/101,134.14 = 29,988.64/x
  3. Step 3: Cross multiply
    67,426.84x = 101,134.14 × 29,988.64
  4. Step 4: Simplify right side
    67,426.84x = 3,032,875,316.17
  5. Step 5: Solve for x
    x = 3,032,875,316.17/67,426.84
  6. Step 6: Final answer
    x = 44,980.24

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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.