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Finding the Fourth Proportional to 357,263.57, 535,782.42 and 117,337.93

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Solution

The fourth proportional to 357,263.57, 535,782.42 and 117,337.93 is: 175,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,263.57 : 535,782.42 = 117,337.93 : x
  2. Step 2: Convert to fraction form
    357,263.57/535,782.42 = 117,337.93/x
  3. Step 3: Cross multiply
    357,263.57x = 535,782.42 × 117,337.93
  4. Step 4: Simplify right side
    357,263.57x = 62,867,598,753.73
  5. Step 5: Solve for x
    x = 62,867,598,753.73/357,263.57
  6. Step 6: Final answer
    x = 175,969.80

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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.