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Finding the Fourth Proportional to 102,957.94, 154,448.43 and 32,820.98

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Solution

The fourth proportional to 102,957.94, 154,448.43 and 32,820.98 is: 49,235.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,957.94 : 154,448.43 = 32,820.98 : x
  2. Step 2: Convert to fraction form
    102,957.94/154,448.43 = 32,820.98/x
  3. Step 3: Cross multiply
    102,957.94x = 154,448.43 × 32,820.98
  4. Step 4: Simplify right side
    102,957.94x = 5,069,148,832.06
  5. Step 5: Solve for x
    x = 5,069,148,832.06/102,957.94
  6. Step 6: Final answer
    x = 49,235.14

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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.