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Finding the Fourth Proportional to 92,813.59, 139,226.01 and 26,258.77

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Solution

The fourth proportional to 92,813.59, 139,226.01 and 26,258.77 is: 39,389.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,813.59 : 139,226.01 = 26,258.77 : x
  2. Step 2: Convert to fraction form
    92,813.59/139,226.01 = 26,258.77/x
  3. Step 3: Cross multiply
    92,813.59x = 139,226.01 × 26,258.77
  4. Step 4: Simplify right side
    92,813.59x = 3,655,903,774.61
  5. Step 5: Solve for x
    x = 3,655,903,774.61/92,813.59
  6. Step 6: Final answer
    x = 39,389.75

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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.