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Finding the Fourth Proportional to 173,394.05, 260,143.52 and 122,890.76

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Solution

The fourth proportional to 173,394.05, 260,143.52 and 122,890.76 is: 184,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,394.05 : 260,143.52 = 122,890.76 : x
  2. Step 2: Convert to fraction form
    173,394.05/260,143.52 = 122,890.76/x
  3. Step 3: Cross multiply
    173,394.05x = 260,143.52 × 122,890.76
  4. Step 4: Simplify right side
    173,394.05x = 31,969,232,966.70
  5. Step 5: Solve for x
    x = 31,969,232,966.70/173,394.05
  6. Step 6: Final answer
    x = 184,373.30

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1.5x scale

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.