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Finding the Fourth Proportional to 70,336.44, 96,973.74 and 45,176.76

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Solution

The fourth proportional to 70,336.44, 96,973.74 and 45,176.76 is: 62,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,336.44 : 96,973.74 = 45,176.76 : x
  2. Step 2: Convert to fraction form
    70,336.44/96,973.74 = 45,176.76/x
  3. Step 3: Cross multiply
    70,336.44x = 96,973.74 × 45,176.76
  4. Step 4: Simplify right side
    70,336.44x = 4,380,959,378.28
  5. Step 5: Solve for x
    x = 4,380,959,378.28/70,336.44
  6. Step 6: Final answer
    x = 62,285.77

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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.