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Finding the Fourth Proportional to 173,698.40, 260,353.20 and 73,841.60

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Solution

The fourth proportional to 173,698.40, 260,353.20 and 73,841.60 is: 110,679.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,698.40 : 260,353.20 = 73,841.60 : x
  2. Step 2: Convert to fraction form
    173,698.40/260,353.20 = 73,841.60/x
  3. Step 3: Cross multiply
    173,698.40x = 260,353.20 × 73,841.60
  4. Step 4: Simplify right side
    173,698.40x = 19,224,896,853.12
  5. Step 5: Solve for x
    x = 19,224,896,853.12/173,698.40
  6. Step 6: Final answer
    x = 110,679.76

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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.