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Finding the Fourth Proportional to 145,881.67, 218,822.48 and 46,111.92

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Solution

The fourth proportional to 145,881.67, 218,822.48 and 46,111.92 is: 69,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,881.67 : 218,822.48 = 46,111.92 : x
  2. Step 2: Convert to fraction form
    145,881.67/218,822.48 = 46,111.92/x
  3. Step 3: Cross multiply
    145,881.67x = 218,822.48 × 46,111.92
  4. Step 4: Simplify right side
    145,881.67x = 10,090,323,597.85
  5. Step 5: Solve for x
    x = 10,090,323,597.85/145,881.67
  6. Step 6: Final answer
    x = 69,167.86

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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.