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Finding the Fourth Proportional to 133,719.47, 200,609.48 and 44,970.53

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Solution

The fourth proportional to 133,719.47, 200,609.48 and 44,970.53 is: 67,465.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,719.47 : 200,609.48 = 44,970.53 : x
  2. Step 2: Convert to fraction form
    133,719.47/200,609.48 = 44,970.53/x
  3. Step 3: Cross multiply
    133,719.47x = 200,609.48 × 44,970.53
  4. Step 4: Simplify right side
    133,719.47x = 9,021,514,915.30
  5. Step 5: Solve for x
    x = 9,021,514,915.30/133,719.47
  6. Step 6: Final answer
    x = 67,465.98

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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.