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Finding the Fourth Proportional to 237,441.20, 355,859.40 and 97,041.20

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Solution

The fourth proportional to 237,441.20, 355,859.40 and 97,041.20 is: 145,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,441.20 : 355,859.40 = 97,041.20 : x
  2. Step 2: Convert to fraction form
    237,441.20/355,859.40 = 97,041.20/x
  3. Step 3: Cross multiply
    237,441.20x = 355,859.40 × 97,041.20
  4. Step 4: Simplify right side
    237,441.20x = 34,533,023,207.28
  5. Step 5: Solve for x
    x = 34,533,023,207.28/237,441.20
  6. Step 6: Final answer
    x = 145,438.21

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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.