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Finding the Fourth Proportional to 347,648.81, 521,554.54 and 107,750.17

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Solution

The fourth proportional to 347,648.81, 521,554.54 and 107,750.17 is: 161,650.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,648.81 : 521,554.54 = 107,750.17 : x
  2. Step 2: Convert to fraction form
    347,648.81/521,554.54 = 107,750.17/x
  3. Step 3: Cross multiply
    347,648.81x = 521,554.54 × 107,750.17
  4. Step 4: Simplify right side
    347,648.81x = 56,197,588,776.01
  5. Step 5: Solve for x
    x = 56,197,588,776.01/347,648.81
  6. Step 6: Final answer
    x = 161,650.46

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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.