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Finding the Fourth Proportional to 221,957.76, 333,658.38 and 178,064.70

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Solution

The fourth proportional to 221,957.76, 333,658.38 and 178,064.70 is: 267,676.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,957.76 : 333,658.38 = 178,064.70 : x
  2. Step 2: Convert to fraction form
    221,957.76/333,658.38 = 178,064.70/x
  3. Step 3: Cross multiply
    221,957.76x = 333,658.38 × 178,064.70
  4. Step 4: Simplify right side
    221,957.76x = 59,412,779,337.19
  5. Step 5: Solve for x
    x = 59,412,779,337.19/221,957.76
  6. Step 6: Final answer
    x = 267,676.06

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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.