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Finding the Fourth Proportional to 251,587.94, 347,335.18 and 166,820.18

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Solution

The fourth proportional to 251,587.94, 347,335.18 and 166,820.18 is: 230,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,587.94 : 347,335.18 = 166,820.18 : x
  2. Step 2: Convert to fraction form
    251,587.94/347,335.18 = 166,820.18/x
  3. Step 3: Cross multiply
    251,587.94x = 347,335.18 × 166,820.18
  4. Step 4: Simplify right side
    251,587.94x = 57,942,515,094.21
  5. Step 5: Solve for x
    x = 57,942,515,094.21/251,587.94
  6. Step 6: Final answer
    x = 230,307.21

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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.