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Finding the Fourth Proportional to 237,142.34, 355,687.28 and 59,649.40

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Solution

The fourth proportional to 237,142.34, 355,687.28 and 59,649.40 is: 89,467.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,142.34 : 355,687.28 = 59,649.40 : x
  2. Step 2: Convert to fraction form
    237,142.34/355,687.28 = 59,649.40/x
  3. Step 3: Cross multiply
    237,142.34x = 355,687.28 × 59,649.40
  4. Step 4: Simplify right side
    237,142.34x = 21,216,532,839.63
  5. Step 5: Solve for x
    x = 21,216,532,839.63/237,142.34
  6. Step 6: Final answer
    x = 89,467.50

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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.