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Finding the Fourth Proportional to 96,989.92, 145,484.88 and 26,869.24

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Solution

The fourth proportional to 96,989.92, 145,484.88 and 26,869.24 is: 40,303.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,989.92 : 145,484.88 = 26,869.24 : x
  2. Step 2: Convert to fraction form
    96,989.92/145,484.88 = 26,869.24/x
  3. Step 3: Cross multiply
    96,989.92x = 145,484.88 × 26,869.24
  4. Step 4: Simplify right side
    96,989.92x = 3,909,068,157.09
  5. Step 5: Solve for x
    x = 3,909,068,157.09/96,989.92
  6. Step 6: Final answer
    x = 40,303.86

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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.