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Finding the Fourth Proportional to 357,771.60, 536,675.76 and 91,534.41

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Solution

The fourth proportional to 357,771.60, 536,675.76 and 91,534.41 is: 137,306.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,771.60 : 536,675.76 = 91,534.41 : x
  2. Step 2: Convert to fraction form
    357,771.60/536,675.76 = 91,534.41/x
  3. Step 3: Cross multiply
    357,771.60x = 536,675.76 × 91,534.41
  4. Step 4: Simplify right side
    357,771.60x = 49,124,299,052.90
  5. Step 5: Solve for x
    x = 49,124,299,052.90/357,771.60
  6. Step 6: Final answer
    x = 137,306.31

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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.