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Finding the Fourth Proportional to 88,866.78, 122,638.49 and 53,077.43

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Solution

The fourth proportional to 88,866.78, 122,638.49 and 53,077.43 is: 73,248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,866.78 : 122,638.49 = 53,077.43 : x
  2. Step 2: Convert to fraction form
    88,866.78/122,638.49 = 53,077.43/x
  3. Step 3: Cross multiply
    88,866.78x = 122,638.49 × 53,077.43
  4. Step 4: Simplify right side
    88,866.78x = 6,509,335,868.28
  5. Step 5: Solve for x
    x = 6,509,335,868.28/88,866.78
  6. Step 6: Final answer
    x = 73,248.25

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1.5x scale

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.