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Finding the Fourth Proportional to 237,648.90, 355,890.15 and 158,333.70

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Solution

The fourth proportional to 237,648.90, 355,890.15 and 158,333.70 is: 237,111.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,648.90 : 355,890.15 = 158,333.70 : x
  2. Step 2: Convert to fraction form
    237,648.90/355,890.15 = 158,333.70/x
  3. Step 3: Cross multiply
    237,648.90x = 355,890.15 × 158,333.70
  4. Step 4: Simplify right side
    237,648.90x = 56,349,404,243.06
  5. Step 5: Solve for x
    x = 56,349,404,243.06/237,648.90
  6. Step 6: Final answer
    x = 237,111.99

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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.