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Finding the Fourth Proportional to 184,417.70, 276,626.55 and 90,911.30

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Solution

The fourth proportional to 184,417.70, 276,626.55 and 90,911.30 is: 136,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,417.70 : 276,626.55 = 90,911.30 : x
  2. Step 2: Convert to fraction form
    184,417.70/276,626.55 = 90,911.30/x
  3. Step 3: Cross multiply
    184,417.70x = 276,626.55 × 90,911.30
  4. Step 4: Simplify right side
    184,417.70x = 25,148,479,275.02
  5. Step 5: Solve for x
    x = 25,148,479,275.02/184,417.70
  6. Step 6: Final answer
    x = 136,366.95

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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.