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Finding the Fourth Proportional to 516,088.78, 774,133.19 and 161,133.22

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Solution

The fourth proportional to 516,088.78, 774,133.19 and 161,133.22 is: 241,699.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,088.78 : 774,133.19 = 161,133.22 : x
  2. Step 2: Convert to fraction form
    516,088.78/774,133.19 = 161,133.22/x
  3. Step 3: Cross multiply
    516,088.78x = 774,133.19 × 161,133.22
  4. Step 4: Simplify right side
    516,088.78x = 124,738,573,613.57
  5. Step 5: Solve for x
    x = 124,738,573,613.57/516,088.78
  6. Step 6: Final answer
    x = 241,699.84

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Similar ratio
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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.