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Finding the Fourth Proportional to 555,349.01, 833,055.81 and 156,020.92

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Solution

The fourth proportional to 555,349.01, 833,055.81 and 156,020.92 is: 234,040.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,349.01 : 833,055.81 = 156,020.92 : x
  2. Step 2: Convert to fraction form
    555,349.01/833,055.81 = 156,020.92/x
  3. Step 3: Cross multiply
    555,349.01x = 833,055.81 × 156,020.92
  4. Step 4: Simplify right side
    555,349.01x = 129,974,135,063.39
  5. Step 5: Solve for x
    x = 129,974,135,063.39/555,349.01
  6. Step 6: Final answer
    x = 234,040.45

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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.