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Finding the Fourth Proportional to 70,156.99, 105,277.00 and 25,814.88

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Solution

The fourth proportional to 70,156.99, 105,277.00 and 25,814.88 is: 38,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,156.99 : 105,277.00 = 25,814.88 : x
  2. Step 2: Convert to fraction form
    70,156.99/105,277.00 = 25,814.88/x
  3. Step 3: Cross multiply
    70,156.99x = 105,277.00 × 25,814.88
  4. Step 4: Simplify right side
    70,156.99x = 2,717,713,449.49
  5. Step 5: Solve for x
    x = 2,717,713,449.49/70,156.99
  6. Step 6: Final answer
    x = 38,737.60

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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.