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Finding the Fourth Proportional to 223,398,664.80, 334,476,014.40 and 113,987,428.80

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Solution

The fourth proportional to 223,398,664.80, 334,476,014.40 and 113,987,428.80 is: 170,663,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,398,664.80 : 334,476,014.40 = 113,987,428.80 : x
  2. Step 2: Convert to fraction form
    223,398,664.80/334,476,014.40 = 113,987,428.80/x
  3. Step 3: Cross multiply
    223,398,664.80x = 334,476,014.40 × 113,987,428.80
  4. Step 4: Simplify right side
    223,398,664.80x = 38,126,060,876,727,768
  5. Step 5: Solve for x
    x = 38,126,060,876,727,768/223,398,664.80
  6. Step 6: Final answer
    x = 170,663,781.32

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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.