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Finding the Fourth Proportional to 92,263.64, 137,889.91 and 67,356.14

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Solution

The fourth proportional to 92,263.64, 137,889.91 and 67,356.14 is: 100,665.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,263.64 : 137,889.91 = 67,356.14 : x
  2. Step 2: Convert to fraction form
    92,263.64/137,889.91 = 67,356.14/x
  3. Step 3: Cross multiply
    92,263.64x = 137,889.91 × 67,356.14
  4. Step 4: Simplify right side
    92,263.64x = 9,287,731,477.29
  5. Step 5: Solve for x
    x = 9,287,731,477.29/92,263.64
  6. Step 6: Final answer
    x = 100,665.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.