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Finding the Fourth Proportional to 237,429.20, 355,841.40 and 97,029.20

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Solution

The fourth proportional to 237,429.20, 355,841.40 and 97,029.20 is: 145,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,429.20 : 355,841.40 = 97,029.20 : x
  2. Step 2: Convert to fraction form
    237,429.20/355,841.40 = 97,029.20/x
  3. Step 3: Cross multiply
    237,429.20x = 355,841.40 × 97,029.20
  4. Step 4: Simplify right side
    237,429.20x = 34,527,006,368.88
  5. Step 5: Solve for x
    x = 34,527,006,368.88/237,429.20
  6. Step 6: Final answer
    x = 145,420.22

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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.