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Finding the Fourth Proportional to 108,070.65, 162,102.53 and 48,906.33

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Solution

The fourth proportional to 108,070.65, 162,102.53 and 48,906.33 is: 73,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,070.65 : 162,102.53 = 48,906.33 : x
  2. Step 2: Convert to fraction form
    108,070.65/162,102.53 = 48,906.33/x
  3. Step 3: Cross multiply
    108,070.65x = 162,102.53 × 48,906.33
  4. Step 4: Simplify right side
    108,070.65x = 7,927,839,581.48
  5. Step 5: Solve for x
    x = 7,927,839,581.48/108,070.65
  6. Step 6: Final answer
    x = 73,357.93

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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.