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Finding the Fourth Proportional to 133,497.86, 200,130.48 and 54,561.74

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Solution

The fourth proportional to 133,497.86, 200,130.48 and 54,561.74 is: 81,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,497.86 : 200,130.48 = 54,561.74 : x
  2. Step 2: Convert to fraction form
    133,497.86/200,130.48 = 54,561.74/x
  3. Step 3: Cross multiply
    133,497.86x = 200,130.48 × 54,561.74
  4. Step 4: Simplify right side
    133,497.86x = 10,919,466,215.18
  5. Step 5: Solve for x
    x = 10,919,466,215.18/133,497.86
  6. Step 6: Final answer
    x = 81,795.07

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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.