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Finding the Fourth Proportional to 237,830.77, 328,203.95 and 130,400.54

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Solution

The fourth proportional to 237,830.77, 328,203.95 and 130,400.54 is: 179,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,830.77 : 328,203.95 = 130,400.54 : x
  2. Step 2: Convert to fraction form
    237,830.77/328,203.95 = 130,400.54/x
  3. Step 3: Cross multiply
    237,830.77x = 328,203.95 × 130,400.54
  4. Step 4: Simplify right side
    237,830.77x = 42,797,972,310.13
  5. Step 5: Solve for x
    x = 42,797,972,310.13/237,830.77
  6. Step 6: Final answer
    x = 179,951.37

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1.5x scale

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.