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Finding the Fourth Proportional to 93,066.94, 128,440.92 and 52,793.74

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Solution

The fourth proportional to 93,066.94, 128,440.92 and 52,793.74 is: 72,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,066.94 : 128,440.92 = 52,793.74 : x
  2. Step 2: Convert to fraction form
    93,066.94/128,440.92 = 52,793.74/x
  3. Step 3: Cross multiply
    93,066.94x = 128,440.92 × 52,793.74
  4. Step 4: Simplify right side
    93,066.94x = 6,780,876,535.84
  5. Step 5: Solve for x
    x = 6,780,876,535.84/93,066.94
  6. Step 6: Final answer
    x = 72,860.21

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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.