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Finding the Fourth Proportional to 115,324.80, 172,925.64 and 35,348.64

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Solution

The fourth proportional to 115,324.80, 172,925.64 and 35,348.64 is: 53,004.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,324.80 : 172,925.64 = 35,348.64 : x
  2. Step 2: Convert to fraction form
    115,324.80/172,925.64 = 35,348.64/x
  3. Step 3: Cross multiply
    115,324.80x = 172,925.64 × 35,348.64
  4. Step 4: Simplify right side
    115,324.80x = 6,112,686,195.13
  5. Step 5: Solve for x
    x = 6,112,686,195.13/115,324.80
  6. Step 6: Final answer
    x = 53,004.09

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1.5x scale

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.