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Finding the Fourth Proportional to 70,207.95, 96,857.91 and 51,045.69

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Solution

The fourth proportional to 70,207.95, 96,857.91 and 51,045.69 is: 70,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,207.95 : 96,857.91 = 51,045.69 : x
  2. Step 2: Convert to fraction form
    70,207.95/96,857.91 = 51,045.69/x
  3. Step 3: Cross multiply
    70,207.95x = 96,857.91 × 51,045.69
  4. Step 4: Simplify right side
    70,207.95x = 4,944,178,847.91
  5. Step 5: Solve for x
    x = 4,944,178,847.91/70,207.95
  6. Step 6: Final answer
    x = 70,421.92

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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.