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Finding the Fourth Proportional to 93,304.42, 140,125.41 and 85,794.30

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Solution

The fourth proportional to 93,304.42, 140,125.41 and 85,794.30 is: 128,846.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,304.42 : 140,125.41 = 85,794.30 : x
  2. Step 2: Convert to fraction form
    93,304.42/140,125.41 = 85,794.30/x
  3. Step 3: Cross multiply
    93,304.42x = 140,125.41 × 85,794.30
  4. Step 4: Simplify right side
    93,304.42x = 12,021,961,463.16
  5. Step 5: Solve for x
    x = 12,021,961,463.16/93,304.42
  6. Step 6: Final answer
    x = 128,846.65

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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.