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Finding the Fourth Proportional to 357,086.02, 535,252.44 and 117,137.26

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Solution

The fourth proportional to 357,086.02, 535,252.44 and 117,137.26 is: 175,582.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,086.02 : 535,252.44 = 117,137.26 : x
  2. Step 2: Convert to fraction form
    357,086.02/535,252.44 = 117,137.26/x
  3. Step 3: Cross multiply
    357,086.02x = 535,252.44 × 117,137.26
  4. Step 4: Simplify right side
    357,086.02x = 62,698,004,229.91
  5. Step 5: Solve for x
    x = 62,698,004,229.91/357,086.02
  6. Step 6: Final answer
    x = 175,582.35

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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.