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Finding the Fourth Proportional to 178,190.58, 245,841.48 and 101,654.49

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Solution

The fourth proportional to 178,190.58, 245,841.48 and 101,654.49 is: 140,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,190.58 : 245,841.48 = 101,654.49 : x
  2. Step 2: Convert to fraction form
    178,190.58/245,841.48 = 101,654.49/x
  3. Step 3: Cross multiply
    178,190.58x = 245,841.48 × 101,654.49
  4. Step 4: Simplify right side
    178,190.58x = 24,990,891,192.15
  5. Step 5: Solve for x
    x = 24,990,891,192.15/178,190.58
  6. Step 6: Final answer
    x = 140,248.10

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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.