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Finding the Fourth Proportional to 173,753.40, 260,630.10 and 171,420.60

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Solution

The fourth proportional to 173,753.40, 260,630.10 and 171,420.60 is: 257,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,753.40 : 260,630.10 = 171,420.60 : x
  2. Step 2: Convert to fraction form
    173,753.40/260,630.10 = 171,420.60/x
  3. Step 3: Cross multiply
    173,753.40x = 260,630.10 × 171,420.60
  4. Step 4: Simplify right side
    173,753.40x = 44,677,368,120.06
  5. Step 5: Solve for x
    x = 44,677,368,120.06/173,753.40
  6. Step 6: Final answer
    x = 257,130.90

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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.