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Finding the Fourth Proportional to 202,656.40, 303,955.80 and 62,429.20

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Solution

The fourth proportional to 202,656.40, 303,955.80 and 62,429.20 is: 93,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,656.40 : 303,955.80 = 62,429.20 : x
  2. Step 2: Convert to fraction form
    202,656.40/303,955.80 = 62,429.20/x
  3. Step 3: Cross multiply
    202,656.40x = 303,955.80 × 62,429.20
  4. Step 4: Simplify right side
    202,656.40x = 18,975,717,429.36
  5. Step 5: Solve for x
    x = 18,975,717,429.36/202,656.40
  6. Step 6: Final answer
    x = 93,634.93

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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.