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Finding the Fourth Proportional to 88,841.52, 122,581.08 and 53,043.12

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Solution

The fourth proportional to 88,841.52, 122,581.08 and 53,043.12 is: 73,187.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,841.52 : 122,581.08 = 53,043.12 : x
  2. Step 2: Convert to fraction form
    88,841.52/122,581.08 = 53,043.12/x
  3. Step 3: Cross multiply
    88,841.52x = 122,581.08 × 53,043.12
  4. Step 4: Simplify right side
    88,841.52x = 6,502,082,936.17
  5. Step 5: Solve for x
    x = 6,502,082,936.17/88,841.52
  6. Step 6: Final answer
    x = 73,187.43

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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.