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Finding the Fourth Proportional to 114,273.40, 157,644.93 and 74,000.14

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Solution

The fourth proportional to 114,273.40, 157,644.93 and 74,000.14 is: 102,086.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,273.40 : 157,644.93 = 74,000.14 : x
  2. Step 2: Convert to fraction form
    114,273.40/157,644.93 = 74,000.14/x
  3. Step 3: Cross multiply
    114,273.40x = 157,644.93 × 74,000.14
  4. Step 4: Simplify right side
    114,273.40x = 11,665,746,890.29
  5. Step 5: Solve for x
    x = 11,665,746,890.29/114,273.40
  6. Step 6: Final answer
    x = 102,086.29

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1.5x scale

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.