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Finding the Fourth Proportional to 237,171.70, 355,959.15 and 97,030.90

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Solution

The fourth proportional to 237,171.70, 355,959.15 and 97,030.90 is: 145,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,171.70 : 355,959.15 = 97,030.90 : x
  2. Step 2: Convert to fraction form
    237,171.70/355,959.15 = 97,030.90/x
  3. Step 3: Cross multiply
    237,171.70x = 355,959.15 × 97,030.90
  4. Step 4: Simplify right side
    237,171.70x = 34,539,036,687.74
  5. Step 5: Solve for x
    x = 34,539,036,687.74/237,171.70
  6. Step 6: Final answer
    x = 145,628.83

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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.