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Finding the Fourth Proportional to 243,105.51, 364,658.28 and 65,612.24

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Solution

The fourth proportional to 243,105.51, 364,658.28 and 65,612.24 is: 98,418.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,105.51 : 364,658.28 = 65,612.24 : x
  2. Step 2: Convert to fraction form
    243,105.51/364,658.28 = 65,612.24/x
  3. Step 3: Cross multiply
    243,105.51x = 364,658.28 × 65,612.24
  4. Step 4: Simplify right side
    243,105.51x = 23,926,046,585.35
  5. Step 5: Solve for x
    x = 23,926,046,585.35/243,105.51
  6. Step 6: Final answer
    x = 98,418.36

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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.