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Finding the Fourth Proportional to 86,295.34, 119,059.76 and 48,562.30

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Solution

The fourth proportional to 86,295.34, 119,059.76 and 48,562.30 is: 67,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,295.34 : 119,059.76 = 48,562.30 : x
  2. Step 2: Convert to fraction form
    86,295.34/119,059.76 = 48,562.30/x
  3. Step 3: Cross multiply
    86,295.34x = 119,059.76 × 48,562.30
  4. Step 4: Simplify right side
    86,295.34x = 5,781,815,783.05
  5. Step 5: Solve for x
    x = 5,781,815,783.05/86,295.34
  6. Step 6: Final answer
    x = 67,000.32

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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.