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Finding the Fourth Proportional to 133,503.09, 200,189.88 and 49,302.91

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Solution

The fourth proportional to 133,503.09, 200,189.88 and 49,302.91 is: 73,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,503.09 : 200,189.88 = 49,302.91 : x
  2. Step 2: Convert to fraction form
    133,503.09/200,189.88 = 49,302.91/x
  3. Step 3: Cross multiply
    133,503.09x = 200,189.88 × 49,302.91
  4. Step 4: Simplify right side
    133,503.09x = 9,869,943,886.79
  5. Step 5: Solve for x
    x = 9,869,943,886.79/133,503.09
  6. Step 6: Final answer
    x = 73,930.45

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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.