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Finding the Fourth Proportional to 191,055.89, 286,210.14 and 157,370.27

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Solution

The fourth proportional to 191,055.89, 286,210.14 and 157,370.27 is: 235,747.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,055.89 : 286,210.14 = 157,370.27 : x
  2. Step 2: Convert to fraction form
    191,055.89/286,210.14 = 157,370.27/x
  3. Step 3: Cross multiply
    191,055.89x = 286,210.14 × 157,370.27
  4. Step 4: Simplify right side
    191,055.89x = 45,040,965,577.49
  5. Step 5: Solve for x
    x = 45,040,965,577.49/191,055.89
  6. Step 6: Final answer
    x = 235,747.59

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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.