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Finding the Fourth Proportional to 92,365, 138,570.54 and 26,701

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Solution

The fourth proportional to 92,365, 138,570.54 and 26,701 is: 40,058.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,365 : 138,570.54 = 26,701 : x
  2. Step 2: Convert to fraction form
    92,365/138,570.54 = 26,701/x
  3. Step 3: Cross multiply
    92,365x = 138,570.54 × 26,701
  4. Step 4: Simplify right side
    92,365x = 3,699,971,988.54
  5. Step 5: Solve for x
    x = 3,699,971,988.54/92,365
  6. Step 6: Final answer
    x = 40,058.16

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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.