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Finding the Fourth Proportional to 237,210.30, 355,864.05 and 79,551.90

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Solution

The fourth proportional to 237,210.30, 355,864.05 and 79,551.90 is: 119,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,210.30 : 355,864.05 = 79,551.90 : x
  2. Step 2: Convert to fraction form
    237,210.30/355,864.05 = 79,551.90/x
  3. Step 3: Cross multiply
    237,210.30x = 355,864.05 × 79,551.90
  4. Step 4: Simplify right side
    237,210.30x = 28,309,661,319.20
  5. Step 5: Solve for x
    x = 28,309,661,319.20/237,210.30
  6. Step 6: Final answer
    x = 119,344.15

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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.