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Finding the Fourth Proportional to 203,271.59, 304,955.83 and 70,153

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Solution

The fourth proportional to 203,271.59, 304,955.83 and 70,153 is: 105,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,271.59 : 304,955.83 = 70,153 : x
  2. Step 2: Convert to fraction form
    203,271.59/304,955.83 = 70,153/x
  3. Step 3: Cross multiply
    203,271.59x = 304,955.83 × 70,153
  4. Step 4: Simplify right side
    203,271.59x = 21,393,565,991.23
  5. Step 5: Solve for x
    x = 21,393,565,991.23/203,271.59
  6. Step 6: Final answer
    x = 105,246.22

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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.