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Finding the Fourth Proportional to 92,570.90, 127,747.94 and 52,284.74

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Solution

The fourth proportional to 92,570.90, 127,747.94 and 52,284.74 is: 72,152.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,570.90 : 127,747.94 = 52,284.74 : x
  2. Step 2: Convert to fraction form
    92,570.90/127,747.94 = 52,284.74/x
  3. Step 3: Cross multiply
    92,570.90x = 127,747.94 × 52,284.74
  4. Step 4: Simplify right side
    92,570.90x = 6,679,266,928.27
  5. Step 5: Solve for x
    x = 6,679,266,928.27/92,570.90
  6. Step 6: Final answer
    x = 72,152.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.