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Finding the Fourth Proportional to 92,700, 138,967.53 and 33,522.51

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Solution

The fourth proportional to 92,700, 138,967.53 and 33,522.51 is: 50,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,700 : 138,967.53 = 33,522.51 : x
  2. Step 2: Convert to fraction form
    92,700/138,967.53 = 33,522.51/x
  3. Step 3: Cross multiply
    92,700x = 138,967.53 × 33,522.51
  4. Step 4: Simplify right side
    92,700x = 4,658,540,809.52
  5. Step 5: Solve for x
    x = 4,658,540,809.52/92,700
  6. Step 6: Final answer
    x = 50,253.95

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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.