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Finding the Fourth Proportional to 88,779, 122,510.01 and 50,547.87

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Solution

The fourth proportional to 88,779, 122,510.01 and 50,547.87 is: 69,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,779 : 122,510.01 = 50,547.87 : x
  2. Step 2: Convert to fraction form
    88,779/122,510.01 = 50,547.87/x
  3. Step 3: Cross multiply
    88,779x = 122,510.01 × 50,547.87
  4. Step 4: Simplify right side
    88,779x = 6,192,620,059.18
  5. Step 5: Solve for x
    x = 6,192,620,059.18/88,779
  6. Step 6: Final answer
    x = 69,753.21

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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.