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Finding the Fourth Proportional to 173,349.64, 260,014.56 and 66,712.42

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Solution

The fourth proportional to 173,349.64, 260,014.56 and 66,712.42 is: 100,064.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,349.64 : 260,014.56 = 66,712.42 : x
  2. Step 2: Convert to fraction form
    173,349.64/260,014.56 = 66,712.42/x
  3. Step 3: Cross multiply
    173,349.64x = 260,014.56 × 66,712.42
  4. Step 4: Simplify right side
    173,349.64x = 17,346,200,532.84
  5. Step 5: Solve for x
    x = 17,346,200,532.84/173,349.64
  6. Step 6: Final answer
    x = 100,064.82

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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.