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Finding the Fourth Proportional to 93,431.80, 140,064.32 and 34,253.64

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Solution

The fourth proportional to 93,431.80, 140,064.32 and 34,253.64 is: 51,349.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,431.80 : 140,064.32 = 34,253.64 : x
  2. Step 2: Convert to fraction form
    93,431.80/140,064.32 = 34,253.64/x
  3. Step 3: Cross multiply
    93,431.80x = 140,064.32 × 34,253.64
  4. Step 4: Simplify right side
    93,431.80x = 4,797,712,794.12
  5. Step 5: Solve for x
    x = 4,797,712,794.12/93,431.80
  6. Step 6: Final answer
    x = 51,349.89

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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.