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Finding the Fourth Proportional to 92,685.94, 139,036.20 and 36,522.16

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Solution

The fourth proportional to 92,685.94, 139,036.20 and 36,522.16 is: 54,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,685.94 : 139,036.20 = 36,522.16 : x
  2. Step 2: Convert to fraction form
    92,685.94/139,036.20 = 36,522.16/x
  3. Step 3: Cross multiply
    92,685.94x = 139,036.20 × 36,522.16
  4. Step 4: Simplify right side
    92,685.94x = 5,077,902,342.19
  5. Step 5: Solve for x
    x = 5,077,902,342.19/92,685.94
  6. Step 6: Final answer
    x = 54,786.11

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1.5x scale

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.