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Finding the Fourth Proportional to 253,316.16, 380,074.68 and 95,586.48

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Solution

The fourth proportional to 253,316.16, 380,074.68 and 95,586.48 is: 143,417.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,316.16 : 380,074.68 = 95,586.48 : x
  2. Step 2: Convert to fraction form
    253,316.16/380,074.68 = 95,586.48/x
  3. Step 3: Cross multiply
    253,316.16x = 380,074.68 × 95,586.48
  4. Step 4: Simplify right side
    253,316.16x = 36,330,000,798.33
  5. Step 5: Solve for x
    x = 36,330,000,798.33/253,316.16
  6. Step 6: Final answer
    x = 143,417.62

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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.