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Finding the Fourth Proportional to 61,692,940.04, 91,987,859.30 and 59,997,975.42

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Solution

The fourth proportional to 61,692,940.04, 91,987,859.30 and 59,997,975.42 is: 89,460,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,692,940.04 : 91,987,859.30 = 59,997,975.42 : x
  2. Step 2: Convert to fraction form
    61,692,940.04/91,987,859.30 = 59,997,975.42/x
  3. Step 3: Cross multiply
    61,692,940.04x = 91,987,859.30 × 59,997,975.42
  4. Step 4: Simplify right side
    61,692,940.04x = 5,519,085,320,459,889
  5. Step 5: Solve for x
    x = 5,519,085,320,459,889/61,692,940.04
  6. Step 6: Final answer
    x = 89,460,565.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.