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Finding the Fourth Proportional to 243,996.69, 365,953.51 and 66,462.18

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Solution

The fourth proportional to 243,996.69, 365,953.51 and 66,462.18 is: 99,681.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,996.69 : 365,953.51 = 66,462.18 : x
  2. Step 2: Convert to fraction form
    243,996.69/365,953.51 = 66,462.18/x
  3. Step 3: Cross multiply
    243,996.69x = 365,953.51 × 66,462.18
  4. Step 4: Simplify right side
    243,996.69x = 24,322,068,053.25
  5. Step 5: Solve for x
    x = 24,322,068,053.25/243,996.69
  6. Step 6: Final answer
    x = 99,681.96

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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.