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Finding the Fourth Proportional to 93,645.76, 140,468.76 and 38,241.76

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Solution

The fourth proportional to 93,645.76, 140,468.76 and 38,241.76 is: 57,362.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,645.76 : 140,468.76 = 38,241.76 : x
  2. Step 2: Convert to fraction form
    93,645.76/140,468.76 = 38,241.76/x
  3. Step 3: Cross multiply
    93,645.76x = 140,468.76 × 38,241.76
  4. Step 4: Simplify right side
    93,645.76x = 5,371,772,607.42
  5. Step 5: Solve for x
    x = 5,371,772,607.42/93,645.76
  6. Step 6: Final answer
    x = 57,362.69

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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.