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Finding the Fourth Proportional to 347,666.67, 521,733.69 and 123,026.18

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Solution

The fourth proportional to 347,666.67, 521,733.69 and 123,026.18 is: 184,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,666.67 : 521,733.69 = 123,026.18 : x
  2. Step 2: Convert to fraction form
    347,666.67/521,733.69 = 123,026.18/x
  3. Step 3: Cross multiply
    347,666.67x = 521,733.69 × 123,026.18
  4. Step 4: Simplify right side
    347,666.67x = 64,186,900,249.34
  5. Step 5: Solve for x
    x = 64,186,900,249.34/347,666.67
  6. Step 6: Final answer
    x = 184,621.95

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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.