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Finding the Fourth Proportional to 93,760.48, 140,641.35 and 38,356.48

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Solution

The fourth proportional to 93,760.48, 140,641.35 and 38,356.48 is: 57,534.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,760.48 : 140,641.35 = 38,356.48 : x
  2. Step 2: Convert to fraction form
    93,760.48/140,641.35 = 38,356.48/x
  3. Step 3: Cross multiply
    93,760.48x = 140,641.35 × 38,356.48
  4. Step 4: Simplify right side
    93,760.48x = 5,394,507,128.45
  5. Step 5: Solve for x
    x = 5,394,507,128.45/93,760.48
  6. Step 6: Final answer
    x = 57,534.98

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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.