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Finding the Fourth Proportional to 535,505.94, 803,245.62 and 130,701.12

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Solution

The fourth proportional to 535,505.94, 803,245.62 and 130,701.12 is: 196,048.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,505.94 : 803,245.62 = 130,701.12 : x
  2. Step 2: Convert to fraction form
    535,505.94/803,245.62 = 130,701.12/x
  3. Step 3: Cross multiply
    535,505.94x = 803,245.62 × 130,701.12
  4. Step 4: Simplify right side
    535,505.94x = 104,985,102,169.09
  5. Step 5: Solve for x
    x = 104,985,102,169.09/535,505.94
  6. Step 6: Final answer
    x = 196,048.44

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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.