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Finding the Fourth Proportional to 92,954, 139,373.76 and 55,506.80

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Solution

The fourth proportional to 92,954, 139,373.76 and 55,506.80 is: 83,226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,954 : 139,373.76 = 55,506.80 : x
  2. Step 2: Convert to fraction form
    92,954/139,373.76 = 55,506.80/x
  3. Step 3: Cross multiply
    92,954x = 139,373.76 × 55,506.80
  4. Step 4: Simplify right side
    92,954x = 7,736,191,421.57
  5. Step 5: Solve for x
    x = 7,736,191,421.57/92,954
  6. Step 6: Final answer
    x = 83,226.02

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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.