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Finding the Fourth Proportional to 157,368.62, 236,122.71 and 82,470.96

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Solution

The fourth proportional to 157,368.62, 236,122.71 and 82,470.96 is: 123,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,368.62 : 236,122.71 = 82,470.96 : x
  2. Step 2: Convert to fraction form
    157,368.62/236,122.71 = 82,470.96/x
  3. Step 3: Cross multiply
    157,368.62x = 236,122.71 × 82,470.96
  4. Step 4: Simplify right side
    157,368.62x = 19,473,266,571.50
  5. Step 5: Solve for x
    x = 19,473,266,571.50/157,368.62
  6. Step 6: Final answer
    x = 123,743.01

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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.