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Finding the Fourth Proportional to 93,060.38, 128,388.53 and 54,796.55

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Solution

The fourth proportional to 93,060.38, 128,388.53 and 54,796.55 is: 75,598.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,060.38 : 128,388.53 = 54,796.55 : x
  2. Step 2: Convert to fraction form
    93,060.38/128,388.53 = 54,796.55/x
  3. Step 3: Cross multiply
    93,060.38x = 128,388.53 × 54,796.55
  4. Step 4: Simplify right side
    93,060.38x = 7,035,247,998.62
  5. Step 5: Solve for x
    x = 7,035,247,998.62/93,060.38
  6. Step 6: Final answer
    x = 75,598.74

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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.