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Finding the Fourth Proportional to 93,062.58, 128,449.17 and 52,799.91

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Solution

The fourth proportional to 93,062.58, 128,449.17 and 52,799.91 is: 72,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,062.58 : 128,449.17 = 52,799.91 : x
  2. Step 2: Convert to fraction form
    93,062.58/128,449.17 = 52,799.91/x
  3. Step 3: Cross multiply
    93,062.58x = 128,449.17 × 52,799.91
  4. Step 4: Simplify right side
    93,062.58x = 6,782,104,615.57
  5. Step 5: Solve for x
    x = 6,782,104,615.57/93,062.58
  6. Step 6: Final answer
    x = 72,876.82

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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.