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Finding the Fourth Proportional to 93,333.78, 128,800.62 and 59,799.78

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Solution

The fourth proportional to 93,333.78, 128,800.62 and 59,799.78 is: 82,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,333.78 : 128,800.62 = 59,799.78 : x
  2. Step 2: Convert to fraction form
    93,333.78/128,800.62 = 59,799.78/x
  3. Step 3: Cross multiply
    93,333.78x = 128,800.62 × 59,799.78
  4. Step 4: Simplify right side
    93,333.78x = 7,702,248,739.86
  5. Step 5: Solve for x
    x = 7,702,248,739.86/93,333.78
  6. Step 6: Final answer
    x = 82,523.70

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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.