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Finding the Fourth Proportional to 235,320.94, 353,126.28 and 93,142.01

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Solution

The fourth proportional to 235,320.94, 353,126.28 and 93,142.01 is: 139,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,320.94 : 353,126.28 = 93,142.01 : x
  2. Step 2: Convert to fraction form
    235,320.94/353,126.28 = 93,142.01/x
  3. Step 3: Cross multiply
    235,320.94x = 353,126.28 × 93,142.01
  4. Step 4: Simplify right side
    235,320.94x = 32,890,892,735.12
  5. Step 5: Solve for x
    x = 32,890,892,735.12/235,320.94
  6. Step 6: Final answer
    x = 139,770.36

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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.