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Finding the Fourth Proportional to 191,112.54, 286,747.74 and 96,291.48

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Solution

The fourth proportional to 191,112.54, 286,747.74 and 96,291.48 is: 144,476.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,112.54 : 286,747.74 = 96,291.48 : x
  2. Step 2: Convert to fraction form
    191,112.54/286,747.74 = 96,291.48/x
  3. Step 3: Cross multiply
    191,112.54x = 286,747.74 × 96,291.48
  4. Step 4: Simplify right side
    191,112.54x = 27,611,364,271.26
  5. Step 5: Solve for x
    x = 27,611,364,271.26/191,112.54
  6. Step 6: Final answer
    x = 144,476.99

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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.