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Finding the Fourth Proportional to 97,065, 133,962.66 and 63,550.44

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Solution

The fourth proportional to 97,065, 133,962.66 and 63,550.44 is: 87,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,065 : 133,962.66 = 63,550.44 : x
  2. Step 2: Convert to fraction form
    97,065/133,962.66 = 63,550.44/x
  3. Step 3: Cross multiply
    97,065x = 133,962.66 × 63,550.44
  4. Step 4: Simplify right side
    97,065x = 8,513,385,986.57
  5. Step 5: Solve for x
    x = 8,513,385,986.57/97,065
  6. Step 6: Final answer
    x = 87,708.09

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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.