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Finding the Fourth Proportional to 61,570.54, 92,175.87 and 55,661.02

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Solution

The fourth proportional to 61,570.54, 92,175.87 and 55,661.02 is: 83,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,570.54 : 92,175.87 = 55,661.02 : x
  2. Step 2: Convert to fraction form
    61,570.54/92,175.87 = 55,661.02/x
  3. Step 3: Cross multiply
    61,570.54x = 92,175.87 × 55,661.02
  4. Step 4: Simplify right side
    61,570.54x = 5,130,602,204.40
  5. Step 5: Solve for x
    x = 5,130,602,204.40/61,570.54
  6. Step 6: Final answer
    x = 83,328.85

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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.