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Finding the Fourth Proportional to 181,691.40, 254,630.40 and 181,691.40

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Solution

The fourth proportional to 181,691.40, 254,630.40 and 181,691.40 is: 254,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,691.40 : 254,630.40 = 181,691.40 : x
  2. Step 2: Convert to fraction form
    181,691.40/254,630.40 = 181,691.40/x
  3. Step 3: Cross multiply
    181,691.40x = 254,630.40 × 181,691.40
  4. Step 4: Simplify right side
    181,691.40x = 46,264,153,858.56
  5. Step 5: Solve for x
    x = 46,264,153,858.56/181,691.40
  6. Step 6: Final answer
    x = 254,630.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.