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Finding the Fourth Proportional to 86,003.34, 118,684.90 and 47,762.98

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Solution

The fourth proportional to 86,003.34, 118,684.90 and 47,762.98 is: 65,913.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,003.34 : 118,684.90 = 47,762.98 : x
  2. Step 2: Convert to fraction form
    86,003.34/118,684.90 = 47,762.98/x
  3. Step 3: Cross multiply
    86,003.34x = 118,684.90 × 47,762.98
  4. Step 4: Simplify right side
    86,003.34x = 5,668,744,666.93
  5. Step 5: Solve for x
    x = 5,668,744,666.93/86,003.34
  6. Step 6: Final answer
    x = 65,913.08

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