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Finding the Fourth Proportional to 114,556.95, 158,092.21 and 66,158.00

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Solution

The fourth proportional to 114,556.95, 158,092.21 and 66,158.00 is: 91,300.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,556.95 : 158,092.21 = 66,158.00 : x
  2. Step 2: Convert to fraction form
    114,556.95/158,092.21 = 66,158.00/x
  3. Step 3: Cross multiply
    114,556.95x = 158,092.21 × 66,158.00
  4. Step 4: Simplify right side
    114,556.95x = 10,459,063,638.72
  5. Step 5: Solve for x
    x = 10,459,063,638.72/114,556.95
  6. Step 6: Final answer
    x = 91,300.13

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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.