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Finding the Fourth Proportional to 66,877.87, 92,303.17 and 50,798.41

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Solution

The fourth proportional to 66,877.87, 92,303.17 and 50,798.41 is: 70,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,877.87 : 92,303.17 = 50,798.41 : x
  2. Step 2: Convert to fraction form
    66,877.87/92,303.17 = 50,798.41/x
  3. Step 3: Cross multiply
    66,877.87x = 92,303.17 × 50,798.41
  4. Step 4: Simplify right side
    66,877.87x = 4,688,854,273.96
  5. Step 5: Solve for x
    x = 4,688,854,273.96/66,877.87
  6. Step 6: Final answer
    x = 70,110.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.