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Finding the Fourth Proportional to 173,611.32, 239,579.64 and 97,131.48

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Solution

The fourth proportional to 173,611.32, 239,579.64 and 97,131.48 is: 134,039.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,611.32 : 239,579.64 = 97,131.48 : x
  2. Step 2: Convert to fraction form
    173,611.32/239,579.64 = 97,131.48/x
  3. Step 3: Cross multiply
    173,611.32x = 239,579.64 × 97,131.48
  4. Step 4: Simplify right side
    173,611.32x = 23,270,725,011.07
  5. Step 5: Solve for x
    x = 23,270,725,011.07/173,611.32
  6. Step 6: Final answer
    x = 134,039.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.