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Finding the Fourth Proportional to 117,999.84, 176,862.39 and 67,434.32

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Solution

The fourth proportional to 117,999.84, 176,862.39 and 67,434.32 is: 101,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,999.84 : 176,862.39 = 67,434.32 : x
  2. Step 2: Convert to fraction form
    117,999.84/176,862.39 = 67,434.32/x
  3. Step 3: Cross multiply
    117,999.84x = 176,862.39 × 67,434.32
  4. Step 4: Simplify right side
    117,999.84x = 11,926,595,192.50
  5. Step 5: Solve for x
    x = 11,926,595,192.50/117,999.84
  6. Step 6: Final answer
    x = 101,072.98

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1.5x scale

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.