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Finding the Fourth Proportional to 70,659.59, 105,966.69 and 23,263.65

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Solution

The fourth proportional to 70,659.59, 105,966.69 and 23,263.65 is: 34,888.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,659.59 : 105,966.69 = 23,263.65 : x
  2. Step 2: Convert to fraction form
    70,659.59/105,966.69 = 23,263.65/x
  3. Step 3: Cross multiply
    70,659.59x = 105,966.69 × 23,263.65
  4. Step 4: Simplify right side
    70,659.59x = 2,465,171,987.82
  5. Step 5: Solve for x
    x = 2,465,171,987.82/70,659.59
  6. Step 6: Final answer
    x = 34,888.01

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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.