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Finding the Fourth Proportional to 335,272.32, 502,893.36 and 98,622.72

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Solution

The fourth proportional to 335,272.32, 502,893.36 and 98,622.72 is: 147,929.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,272.32 : 502,893.36 = 98,622.72 : x
  2. Step 2: Convert to fraction form
    335,272.32/502,893.36 = 98,622.72/x
  3. Step 3: Cross multiply
    335,272.32x = 502,893.36 × 98,622.72
  4. Step 4: Simplify right side
    335,272.32x = 49,596,711,033.14
  5. Step 5: Solve for x
    x = 49,596,711,033.14/335,272.32
  6. Step 6: Final answer
    x = 147,929.63

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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.