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Finding the Fourth Proportional to 93,067.94, 128,442.30 and 52,794.74

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Solution

The fourth proportional to 93,067.94, 128,442.30 and 52,794.74 is: 72,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,067.94 : 128,442.30 = 52,794.74 : x
  2. Step 2: Convert to fraction form
    93,067.94/128,442.30 = 52,794.74/x
  3. Step 3: Cross multiply
    93,067.94x = 128,442.30 × 52,794.74
  4. Step 4: Simplify right side
    93,067.94x = 6,781,077,833.50
  5. Step 5: Solve for x
    x = 6,781,077,833.50/93,067.94
  6. Step 6: Final answer
    x = 72,861.59

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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.