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Finding the Fourth Proportional to 67,497.48, 101,256.72 and 30,070.56

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Solution

The fourth proportional to 67,497.48, 101,256.72 and 30,070.56 is: 45,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,497.48 : 101,256.72 = 30,070.56 : x
  2. Step 2: Convert to fraction form
    67,497.48/101,256.72 = 30,070.56/x
  3. Step 3: Cross multiply
    67,497.48x = 101,256.72 × 30,070.56
  4. Step 4: Simplify right side
    67,497.48x = 3,044,846,274.16
  5. Step 5: Solve for x
    x = 3,044,846,274.16/67,497.48
  6. Step 6: Final answer
    x = 45,110.52

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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.