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Finding the Fourth Proportional to 102,685.58, 154,032.63 and 35,263.94

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Solution

The fourth proportional to 102,685.58, 154,032.63 and 35,263.94 is: 52,897.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,685.58 : 154,032.63 = 35,263.94 : x
  2. Step 2: Convert to fraction form
    102,685.58/154,032.63 = 35,263.94/x
  3. Step 3: Cross multiply
    102,685.58x = 154,032.63 × 35,263.94
  4. Step 4: Simplify right side
    102,685.58x = 5,431,796,652.20
  5. Step 5: Solve for x
    x = 5,431,796,652.20/102,685.58
  6. Step 6: Final answer
    x = 52,897.37

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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.