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Finding the Fourth Proportional to 119,751.60, 179,627.40 and 31,004.40

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Solution

The fourth proportional to 119,751.60, 179,627.40 and 31,004.40 is: 46,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,751.60 : 179,627.40 = 31,004.40 : x
  2. Step 2: Convert to fraction form
    119,751.60/179,627.40 = 31,004.40/x
  3. Step 3: Cross multiply
    119,751.60x = 179,627.40 × 31,004.40
  4. Step 4: Simplify right side
    119,751.60x = 5,569,239,760.56
  5. Step 5: Solve for x
    x = 5,569,239,760.56/119,751.60
  6. Step 6: Final answer
    x = 46,506.60

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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.