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Finding the Fourth Proportional to 121,597.77, 182,673.45 and 87,967.53

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Solution

The fourth proportional to 121,597.77, 182,673.45 and 87,967.53 is: 132,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,597.77 : 182,673.45 = 87,967.53 : x
  2. Step 2: Convert to fraction form
    121,597.77/182,673.45 = 87,967.53/x
  3. Step 3: Cross multiply
    121,597.77x = 182,673.45 × 87,967.53
  4. Step 4: Simplify right side
    121,597.77x = 16,069,332,193.08
  5. Step 5: Solve for x
    x = 16,069,332,193.08/121,597.77
  6. Step 6: Final answer
    x = 132,151.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.