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Finding the Fourth Proportional to 66,176.94, 99,283.94 and 26,761.74

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Solution

The fourth proportional to 66,176.94, 99,283.94 and 26,761.74 is: 40,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,176.94 : 99,283.94 = 26,761.74 : x
  2. Step 2: Convert to fraction form
    66,176.94/99,283.94 = 26,761.74/x
  3. Step 3: Cross multiply
    66,176.94x = 99,283.94 × 26,761.74
  4. Step 4: Simplify right side
    66,176.94x = 2,657,010,988.46
  5. Step 5: Solve for x
    x = 2,657,010,988.46/66,176.94
  6. Step 6: Final answer
    x = 40,150.10

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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.