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Finding the Fourth Proportional to 237,997.54, 328,419.93 and 130,565.08

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Solution

The fourth proportional to 237,997.54, 328,419.93 and 130,565.08 is: 180,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,997.54 : 328,419.93 = 130,565.08 : x
  2. Step 2: Convert to fraction form
    237,997.54/328,419.93 = 130,565.08/x
  3. Step 3: Cross multiply
    237,997.54x = 328,419.93 × 130,565.08
  4. Step 4: Simplify right side
    237,997.54x = 42,880,174,434.04
  5. Step 5: Solve for x
    x = 42,880,174,434.04/237,997.54
  6. Step 6: Final answer
    x = 180,170.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.