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Finding the Fourth Proportional to 133,345.95, 199,946.03 and 54,370.95

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Solution

The fourth proportional to 133,345.95, 199,946.03 and 54,370.95 is: 81,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,345.95 : 199,946.03 = 54,370.95 : x
  2. Step 2: Convert to fraction form
    133,345.95/199,946.03 = 54,370.95/x
  3. Step 3: Cross multiply
    133,345.95x = 199,946.03 × 54,370.95
  4. Step 4: Simplify right side
    133,345.95x = 10,871,255,327.97
  5. Step 5: Solve for x
    x = 10,871,255,327.97/133,345.95
  6. Step 6: Final answer
    x = 81,526.70

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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.