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Finding the Fourth Proportional to 157,007.21, 216,558.54 and 96,498.41

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Solution

The fourth proportional to 157,007.21, 216,558.54 and 96,498.41 is: 133,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,007.21 : 216,558.54 = 96,498.41 : x
  2. Step 2: Convert to fraction form
    157,007.21/216,558.54 = 96,498.41/x
  3. Step 3: Cross multiply
    157,007.21x = 216,558.54 × 96,498.41
  4. Step 4: Simplify right side
    157,007.21x = 20,897,554,781.92
  5. Step 5: Solve for x
    x = 20,897,554,781.92/157,007.21
  6. Step 6: Final answer
    x = 133,099.33

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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.