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Finding the Fourth Proportional to 223,398,661.80, 334,476,009.90 and 113,987,425.80

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Solution

The fourth proportional to 223,398,661.80, 334,476,009.90 and 113,987,425.80 is: 170,663,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,398,661.80 : 334,476,009.90 = 113,987,425.80 : x
  2. Step 2: Convert to fraction form
    223,398,661.80/334,476,009.90 = 113,987,425.80/x
  3. Step 3: Cross multiply
    223,398,661.80x = 334,476,009.90 × 113,987,425.80
  4. Step 4: Simplify right side
    223,398,661.80x = 38,126,059,360,356,312
  5. Step 5: Solve for x
    x = 38,126,059,360,356,312/223,398,661.80
  6. Step 6: Final answer
    x = 170,663,776.82

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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.