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Finding the Fourth Proportional to 119,303.76, 178,977.60 and 39,346.48

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Solution

The fourth proportional to 119,303.76, 178,977.60 and 39,346.48 is: 59,026.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,303.76 : 178,977.60 = 39,346.48 : x
  2. Step 2: Convert to fraction form
    119,303.76/178,977.60 = 39,346.48/x
  3. Step 3: Cross multiply
    119,303.76x = 178,977.60 × 39,346.48
  4. Step 4: Simplify right side
    119,303.76x = 7,042,138,558.85
  5. Step 5: Solve for x
    x = 7,042,138,558.85/119,303.76
  6. Step 6: Final answer
    x = 59,026.96

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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.