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Finding the Fourth Proportional to 347,701.80, 521,552.70 and 123,060.45

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Solution

The fourth proportional to 347,701.80, 521,552.70 and 123,060.45 is: 184,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,701.80 : 521,552.70 = 123,060.45 : x
  2. Step 2: Convert to fraction form
    347,701.80/521,552.70 = 123,060.45/x
  3. Step 3: Cross multiply
    347,701.80x = 521,552.70 × 123,060.45
  4. Step 4: Simplify right side
    347,701.80x = 64,182,509,960.72
  5. Step 5: Solve for x
    x = 64,182,509,960.72/347,701.80
  6. Step 6: Final answer
    x = 184,590.68

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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.