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Finding the Fourth Proportional to 89,011.52, 122,827.56 and 53,194.40

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Solution

The fourth proportional to 89,011.52, 122,827.56 and 53,194.40 is: 73,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,011.52 : 122,827.56 = 53,194.40 : x
  2. Step 2: Convert to fraction form
    89,011.52/122,827.56 = 53,194.40/x
  3. Step 3: Cross multiply
    89,011.52x = 122,827.56 × 53,194.40
  4. Step 4: Simplify right side
    89,011.52x = 6,533,738,357.66
  5. Step 5: Solve for x
    x = 6,533,738,357.66/89,011.52
  6. Step 6: Final answer
    x = 73,403.29

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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.