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Finding the Fourth Proportional to 86,625.50, 119,543.20 and 46,881.50

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Solution

The fourth proportional to 86,625.50, 119,543.20 and 46,881.50 is: 64,696.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,625.50 : 119,543.20 = 46,881.50 : x
  2. Step 2: Convert to fraction form
    86,625.50/119,543.20 = 46,881.50/x
  3. Step 3: Cross multiply
    86,625.50x = 119,543.20 × 46,881.50
  4. Step 4: Simplify right side
    86,625.50x = 5,604,364,530.80
  5. Step 5: Solve for x
    x = 5,604,364,530.80/86,625.50
  6. Step 6: Final answer
    x = 64,696.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.