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Finding the Fourth Proportional to 367,820.19, 551,737.23 and 101,587.80

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Solution

The fourth proportional to 367,820.19, 551,737.23 and 101,587.80 is: 152,383.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,820.19 : 551,737.23 = 101,587.80 : x
  2. Step 2: Convert to fraction form
    367,820.19/551,737.23 = 101,587.80/x
  3. Step 3: Cross multiply
    367,820.19x = 551,737.23 × 101,587.80
  4. Step 4: Simplify right side
    367,820.19x = 56,049,771,373.79
  5. Step 5: Solve for x
    x = 56,049,771,373.79/367,820.19
  6. Step 6: Final answer
    x = 152,383.62

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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.