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Finding the Fourth Proportional to 163,314,013.20, 244,971,019.80 and 146,685,814.80

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Solution

The fourth proportional to 163,314,013.20, 244,971,019.80 and 146,685,814.80 is: 220,028,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,314,013.20 : 244,971,019.80 = 146,685,814.80 : x
  2. Step 2: Convert to fraction form
    163,314,013.20/244,971,019.80 = 146,685,814.80/x
  3. Step 3: Cross multiply
    163,314,013.20x = 244,971,019.80 × 146,685,814.80
  4. Step 4: Simplify right side
    163,314,013.20x = 35,933,773,641,749,936
  5. Step 5: Solve for x
    x = 35,933,773,641,749,936/163,314,013.20
  6. Step 6: Final answer
    x = 220,028,722.20

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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.