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Finding the Fourth Proportional to 173,657.21, 260,516.79 and 61,402.60

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Solution

The fourth proportional to 173,657.21, 260,516.79 and 61,402.60 is: 92,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,657.21 : 260,516.79 = 61,402.60 : x
  2. Step 2: Convert to fraction form
    173,657.21/260,516.79 = 61,402.60/x
  3. Step 3: Cross multiply
    173,657.21x = 260,516.79 × 61,402.60
  4. Step 4: Simplify right side
    173,657.21x = 15,996,407,598.36
  5. Step 5: Solve for x
    x = 15,996,407,598.36/173,657.21
  6. Step 6: Final answer
    x = 92,114.85

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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.