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Finding the Fourth Proportional to 243,772.60, 365,658.90 and 164,056.45

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Solution

The fourth proportional to 243,772.60, 365,658.90 and 164,056.45 is: 246,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,772.60 : 365,658.90 = 164,056.45 : x
  2. Step 2: Convert to fraction form
    243,772.60/365,658.90 = 164,056.45/x
  3. Step 3: Cross multiply
    243,772.60x = 365,658.90 × 164,056.45
  4. Step 4: Simplify right side
    243,772.60x = 59,988,701,044.91
  5. Step 5: Solve for x
    x = 59,988,701,044.91/243,772.60
  6. Step 6: Final answer
    x = 246,084.68

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1.5x scale

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.