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Finding the Fourth Proportional to 173,360.40, 260,040.60 and 148,477.20

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Solution

The fourth proportional to 173,360.40, 260,040.60 and 148,477.20 is: 222,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,360.40 : 260,040.60 = 148,477.20 : x
  2. Step 2: Convert to fraction form
    173,360.40/260,040.60 = 148,477.20/x
  3. Step 3: Cross multiply
    173,360.40x = 260,040.60 × 148,477.20
  4. Step 4: Simplify right side
    173,360.40x = 38,610,100,174.32
  5. Step 5: Solve for x
    x = 38,610,100,174.32/173,360.40
  6. Step 6: Final answer
    x = 222,715.80

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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.