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Finding the Fourth Proportional to 105,241.38, 157,094.36 and 91,955.22

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Solution

The fourth proportional to 105,241.38, 157,094.36 and 91,955.22 is: 137,262.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,241.38 : 157,094.36 = 91,955.22 : x
  2. Step 2: Convert to fraction form
    105,241.38/157,094.36 = 91,955.22/x
  3. Step 3: Cross multiply
    105,241.38x = 157,094.36 × 91,955.22
  4. Step 4: Simplify right side
    105,241.38x = 14,445,645,974.78
  5. Step 5: Solve for x
    x = 14,445,645,974.78/105,241.38
  6. Step 6: Final answer
    x = 137,262.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.