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Finding the Fourth Proportional to 92,681.89, 127,897.57 and 50,239.51

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Solution

The fourth proportional to 92,681.89, 127,897.57 and 50,239.51 is: 69,328.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,681.89 : 127,897.57 = 50,239.51 : x
  2. Step 2: Convert to fraction form
    92,681.89/127,897.57 = 50,239.51/x
  3. Step 3: Cross multiply
    92,681.89x = 127,897.57 × 50,239.51
  4. Step 4: Simplify right side
    92,681.89x = 6,425,511,246.99
  5. Step 5: Solve for x
    x = 6,425,511,246.99/92,681.89
  6. Step 6: Final answer
    x = 69,328.66

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1.5x scale

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.