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Finding the Fourth Proportional to 70,356.60, 105,544.01 and 22,955.00

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Solution

The fourth proportional to 70,356.60, 105,544.01 and 22,955.00 is: 34,435.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,356.60 : 105,544.01 = 22,955.00 : x
  2. Step 2: Convert to fraction form
    70,356.60/105,544.01 = 22,955.00/x
  3. Step 3: Cross multiply
    70,356.60x = 105,544.01 × 22,955.00
  4. Step 4: Simplify right side
    70,356.60x = 2,422,762,279.22
  5. Step 5: Solve for x
    x = 2,422,762,279.22/70,356.60
  6. Step 6: Final answer
    x = 34,435.47

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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.