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Finding the Fourth Proportional to 238,404.77, 329,004.66 and 130,977.51

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Solution

The fourth proportional to 238,404.77, 329,004.66 and 130,977.51 is: 180,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,404.77 : 329,004.66 = 130,977.51 : x
  2. Step 2: Convert to fraction form
    238,404.77/329,004.66 = 130,977.51/x
  3. Step 3: Cross multiply
    238,404.77x = 329,004.66 × 130,977.51
  4. Step 4: Simplify right side
    238,404.77x = 43,092,211,145.20
  5. Step 5: Solve for x
    x = 43,092,211,145.20/238,404.77
  6. Step 6: Final answer
    x = 180,752.31

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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.