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Finding the Fourth Proportional to 92,701.50, 139,056.57 and 27,037.50

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Solution

The fourth proportional to 92,701.50, 139,056.57 and 27,037.50 is: 40,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,701.50 : 139,056.57 = 27,037.50 : x
  2. Step 2: Convert to fraction form
    92,701.50/139,056.57 = 27,037.50/x
  3. Step 3: Cross multiply
    92,701.50x = 139,056.57 × 27,037.50
  4. Step 4: Simplify right side
    92,701.50x = 3,759,742,011.38
  5. Step 5: Solve for x
    x = 3,759,742,011.38/92,701.50
  6. Step 6: Final answer
    x = 40,557.51

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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.