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Finding the Fourth Proportional to 73,402.65, 101,302.76 and 41,142.75

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Solution

The fourth proportional to 73,402.65, 101,302.76 and 41,142.75 is: 56,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,402.65 : 101,302.76 = 41,142.75 : x
  2. Step 2: Convert to fraction form
    73,402.65/101,302.76 = 41,142.75/x
  3. Step 3: Cross multiply
    73,402.65x = 101,302.76 × 41,142.75
  4. Step 4: Simplify right side
    73,402.65x = 4,167,874,128.99
  5. Step 5: Solve for x
    x = 4,167,874,128.99/73,402.65
  6. Step 6: Final answer
    x = 56,780.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.