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Finding the Fourth Proportional to 104,678.65, 156,926.08 and 41,543.34

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Solution

The fourth proportional to 104,678.65, 156,926.08 and 41,543.34 is: 62,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,678.65 : 156,926.08 = 41,543.34 : x
  2. Step 2: Convert to fraction form
    104,678.65/156,926.08 = 41,543.34/x
  3. Step 3: Cross multiply
    104,678.65x = 156,926.08 × 41,543.34
  4. Step 4: Simplify right side
    104,678.65x = 6,519,233,496.31
  5. Step 5: Solve for x
    x = 6,519,233,496.31/104,678.65
  6. Step 6: Final answer
    x = 62,278.54

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1.5x scale

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.