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Finding the Fourth Proportional to 70,165.87, 96,931.35 and 60,718.03

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Solution

The fourth proportional to 70,165.87, 96,931.35 and 60,718.03 is: 83,879.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,165.87 : 96,931.35 = 60,718.03 : x
  2. Step 2: Convert to fraction form
    70,165.87/96,931.35 = 60,718.03/x
  3. Step 3: Cross multiply
    70,165.87x = 96,931.35 × 60,718.03
  4. Step 4: Simplify right side
    70,165.87x = 5,885,480,374.91
  5. Step 5: Solve for x
    x = 5,885,480,374.91/70,165.87
  6. Step 6: Final answer
    x = 83,879.54

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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.