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Finding the Fourth Proportional to 357,087.36, 535,770.48 and 157,267.32

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Solution

The fourth proportional to 357,087.36, 535,770.48 and 157,267.32 is: 235,962.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,087.36 : 535,770.48 = 157,267.32 : x
  2. Step 2: Convert to fraction form
    357,087.36/535,770.48 = 157,267.32/x
  3. Step 3: Cross multiply
    357,087.36x = 535,770.48 × 157,267.32
  4. Step 4: Simplify right side
    357,087.36x = 84,259,187,524.71
  5. Step 5: Solve for x
    x = 84,259,187,524.71/357,087.36
  6. Step 6: Final answer
    x = 235,962.39

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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.