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Finding the Fourth Proportional to 93,715.96, 140,346.42 and 51,531.64

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Solution

The fourth proportional to 93,715.96, 140,346.42 and 51,531.64 is: 77,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,715.96 : 140,346.42 = 51,531.64 : x
  2. Step 2: Convert to fraction form
    93,715.96/140,346.42 = 51,531.64/x
  3. Step 3: Cross multiply
    93,715.96x = 140,346.42 × 51,531.64
  4. Step 4: Simplify right side
    93,715.96x = 7,232,281,190.73
  5. Step 5: Solve for x
    x = 7,232,281,190.73/93,715.96
  6. Step 6: Final answer
    x = 77,172.35

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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.