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Finding the Fourth Proportional to 88,893.38, 122,663.58 and 53,078.60

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Solution

The fourth proportional to 88,893.38, 122,663.58 and 53,078.60 is: 73,242.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,893.38 : 122,663.58 = 53,078.60 : x
  2. Step 2: Convert to fraction form
    88,893.38/122,663.58 = 53,078.60/x
  3. Step 3: Cross multiply
    88,893.38x = 122,663.58 × 53,078.60
  4. Step 4: Simplify right side
    88,893.38x = 6,510,811,097.39
  5. Step 5: Solve for x
    x = 6,510,811,097.39/88,893.38
  6. Step 6: Final answer
    x = 73,242.92

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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.