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Finding the Fourth Proportional to 237,448.40, 355,999.80 and 97,134.80

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Solution

The fourth proportional to 237,448.40, 355,999.80 and 97,134.80 is: 145,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,448.40 : 355,999.80 = 97,134.80 : x
  2. Step 2: Convert to fraction form
    237,448.40/355,999.80 = 97,134.80/x
  3. Step 3: Cross multiply
    237,448.40x = 355,999.80 × 97,134.80
  4. Step 4: Simplify right side
    237,448.40x = 34,579,969,373.04
  5. Step 5: Solve for x
    x = 34,579,969,373.04/237,448.40
  6. Step 6: Final answer
    x = 145,631.51

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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.