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Finding the Fourth Proportional to 96,711, 133,461.66 and 56,452.68

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Solution

The fourth proportional to 96,711, 133,461.66 and 56,452.68 is: 77,904.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,711 : 133,461.66 = 56,452.68 : x
  2. Step 2: Convert to fraction form
    96,711/133,461.66 = 56,452.68/x
  3. Step 3: Cross multiply
    96,711x = 133,461.66 × 56,452.68
  4. Step 4: Simplify right side
    96,711x = 7,534,268,384.25
  5. Step 5: Solve for x
    x = 7,534,268,384.25/96,711
  6. Step 6: Final answer
    x = 77,904.98

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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.