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Finding the Fourth Proportional to 356,735.52, 535,277.52 and 157,030.80

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Solution

The fourth proportional to 356,735.52, 535,277.52 and 157,030.80 is: 235,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,735.52 : 535,277.52 = 157,030.80 : x
  2. Step 2: Convert to fraction form
    356,735.52/535,277.52 = 157,030.80/x
  3. Step 3: Cross multiply
    356,735.52x = 535,277.52 × 157,030.80
  4. Step 4: Simplify right side
    356,735.52x = 84,055,057,187.62
  5. Step 5: Solve for x
    x = 84,055,057,187.62/356,735.52
  6. Step 6: Final answer
    x = 235,622.90

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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.