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Finding the Fourth Proportional to 124,562, 171,899.22 and 67,977.02

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Solution

The fourth proportional to 124,562, 171,899.22 and 67,977.02 is: 93,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,562 : 171,899.22 = 67,977.02 : x
  2. Step 2: Convert to fraction form
    124,562/171,899.22 = 67,977.02/x
  3. Step 3: Cross multiply
    124,562x = 171,899.22 × 67,977.02
  4. Step 4: Simplify right side
    124,562x = 11,685,196,715.92
  5. Step 5: Solve for x
    x = 11,685,196,715.92/124,562
  6. Step 6: Final answer
    x = 93,810.28

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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.