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Finding the Fourth Proportional to 61,692,928.23, 91,987,841.70 and 59,997,963.59

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Solution

The fourth proportional to 61,692,928.23, 91,987,841.70 and 59,997,963.59 is: 89,460,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,692,928.23 : 91,987,841.70 = 59,997,963.59 : x
  2. Step 2: Convert to fraction form
    61,692,928.23/91,987,841.70 = 59,997,963.59/x
  3. Step 3: Cross multiply
    61,692,928.23x = 91,987,841.70 × 59,997,963.59
  4. Step 4: Simplify right side
    61,692,928.23x = 5,519,083,177,039,284
  5. Step 5: Solve for x
    x = 5,519,083,177,039,284/61,692,928.23
  6. Step 6: Final answer
    x = 89,460,548.16

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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.