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Finding the Fourth Proportional to 173,628.95, 260,174.01 and 120,424.67

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Solution

The fourth proportional to 173,628.95, 260,174.01 and 120,424.67 is: 180,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,628.95 : 260,174.01 = 120,424.67 : x
  2. Step 2: Convert to fraction form
    173,628.95/260,174.01 = 120,424.67/x
  3. Step 3: Cross multiply
    173,628.95x = 260,174.01 × 120,424.67
  4. Step 4: Simplify right side
    173,628.95x = 31,331,369,296.83
  5. Step 5: Solve for x
    x = 31,331,369,296.83/173,628.95
  6. Step 6: Final answer
    x = 180,450.15

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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.