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Finding the Fourth Proportional to 70,184.16, 105,301.08 and 43,858.08

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Solution

The fourth proportional to 70,184.16, 105,301.08 and 43,858.08 is: 65,802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,184.16 : 105,301.08 = 43,858.08 : x
  2. Step 2: Convert to fraction form
    70,184.16/105,301.08 = 43,858.08/x
  3. Step 3: Cross multiply
    70,184.16x = 105,301.08 × 43,858.08
  4. Step 4: Simplify right side
    70,184.16x = 4,618,303,190.73
  5. Step 5: Solve for x
    x = 4,618,303,190.73/70,184.16
  6. Step 6: Final answer
    x = 65,802.64

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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.