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Finding the Fourth Proportional to 347,881.96, 521,689.29 and 123,200.92

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Solution

The fourth proportional to 347,881.96, 521,689.29 and 123,200.92 is: 184,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,881.96 : 521,689.29 = 123,200.92 : x
  2. Step 2: Convert to fraction form
    347,881.96/521,689.29 = 123,200.92/x
  3. Step 3: Cross multiply
    347,881.96x = 521,689.29 × 123,200.92
  4. Step 4: Simplify right side
    347,881.96x = 64,272,600,482.15
  5. Step 5: Solve for x
    x = 64,272,600,482.15/347,881.96
  6. Step 6: Final answer
    x = 184,754.05

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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.