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Finding the Fourth Proportional to 63,168,894.98, 94,670,786.86 and 45,720,203.45

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Solution

The fourth proportional to 63,168,894.98, 94,670,786.86 and 45,720,203.45 is: 68,520,553.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,168,894.98 : 94,670,786.86 = 45,720,203.45 : x
  2. Step 2: Convert to fraction form
    63,168,894.98/94,670,786.86 = 45,720,203.45/x
  3. Step 3: Cross multiply
    63,168,894.98x = 94,670,786.86 × 45,720,203.45
  4. Step 4: Simplify right side
    63,168,894.98x = 4,328,367,635,423,132.50
  5. Step 5: Solve for x
    x = 4,328,367,635,423,132.50/63,168,894.98
  6. Step 6: Final answer
    x = 68,520,553.31

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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.