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Finding the Fourth Proportional to 535,171.42, 802,753.48 and 130,358.70

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Solution

The fourth proportional to 535,171.42, 802,753.48 and 130,358.70 is: 195,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,171.42 : 802,753.48 = 130,358.70 : x
  2. Step 2: Convert to fraction form
    535,171.42/802,753.48 = 130,358.70/x
  3. Step 3: Cross multiply
    535,171.42x = 802,753.48 × 130,358.70
  4. Step 4: Simplify right side
    535,171.42x = 104,645,900,236.22
  5. Step 5: Solve for x
    x = 104,645,900,236.22/535,171.42
  6. Step 6: Final answer
    x = 195,537.16

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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.