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Finding the Fourth Proportional to 173,487.60, 260,328.60 and 73,630.80

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Solution

The fourth proportional to 173,487.60, 260,328.60 and 73,630.80 is: 110,487.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,487.60 : 260,328.60 = 73,630.80 : x
  2. Step 2: Convert to fraction form
    173,487.60/260,328.60 = 73,630.80/x
  3. Step 3: Cross multiply
    173,487.60x = 260,328.60 × 73,630.80
  4. Step 4: Simplify right side
    173,487.60x = 19,168,203,080.88
  5. Step 5: Solve for x
    x = 19,168,203,080.88/173,487.60
  6. Step 6: Final answer
    x = 110,487.45

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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.