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Finding the Fourth Proportional to 176,362.92, 243,380.88 and 100,911.24

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Solution

The fourth proportional to 176,362.92, 243,380.88 and 100,911.24 is: 139,257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,362.92 : 243,380.88 = 100,911.24 : x
  2. Step 2: Convert to fraction form
    176,362.92/243,380.88 = 100,911.24/x
  3. Step 3: Cross multiply
    176,362.92x = 243,380.88 × 100,911.24
  4. Step 4: Simplify right side
    176,362.92x = 24,559,866,393.09
  5. Step 5: Solve for x
    x = 24,559,866,393.09/176,362.92
  6. Step 6: Final answer
    x = 139,257.54

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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.