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Finding the Fourth Proportional to 61,570.52, 92,421.40 and 59,339.80

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Solution

The fourth proportional to 61,570.52, 92,421.40 and 59,339.80 is: 89,072.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,570.52 : 92,421.40 = 59,339.80 : x
  2. Step 2: Convert to fraction form
    61,570.52/92,421.40 = 59,339.80/x
  3. Step 3: Cross multiply
    61,570.52x = 92,421.40 × 59,339.80
  4. Step 4: Simplify right side
    61,570.52x = 5,484,267,391.72
  5. Step 5: Solve for x
    x = 5,484,267,391.72/61,570.52
  6. Step 6: Final answer
    x = 89,072.94

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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.