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Finding the Fourth Proportional to 173,221.34, 238,978.35 and 101,575.22

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Solution

The fourth proportional to 173,221.34, 238,978.35 and 101,575.22 is: 140,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,221.34 : 238,978.35 = 101,575.22 : x
  2. Step 2: Convert to fraction form
    173,221.34/238,978.35 = 101,575.22/x
  3. Step 3: Cross multiply
    173,221.34x = 238,978.35 × 101,575.22
  4. Step 4: Simplify right side
    173,221.34x = 24,274,277,281.60
  5. Step 5: Solve for x
    x = 24,274,277,281.60/173,221.34
  6. Step 6: Final answer
    x = 140,134.45

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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.