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Finding the Fourth Proportional to 64,156.50, 96,170.76 and 30,867.12

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Solution

The fourth proportional to 64,156.50, 96,170.76 and 30,867.12 is: 46,269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,156.50 : 96,170.76 = 30,867.12 : x
  2. Step 2: Convert to fraction form
    64,156.50/96,170.76 = 30,867.12/x
  3. Step 3: Cross multiply
    64,156.50x = 96,170.76 × 30,867.12
  4. Step 4: Simplify right side
    64,156.50x = 2,968,514,389.41
  5. Step 5: Solve for x
    x = 2,968,514,389.41/64,156.50
  6. Step 6: Final answer
    x = 46,269.89

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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.