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Finding the Fourth Proportional to 253,887.35, 350,352.27 and 151,969.06

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Solution

The fourth proportional to 253,887.35, 350,352.27 and 151,969.06 is: 209,709.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,887.35 : 350,352.27 = 151,969.06 : x
  2. Step 2: Convert to fraction form
    253,887.35/350,352.27 = 151,969.06/x
  3. Step 3: Cross multiply
    253,887.35x = 350,352.27 × 151,969.06
  4. Step 4: Simplify right side
    253,887.35x = 53,242,705,578.71
  5. Step 5: Solve for x
    x = 53,242,705,578.71/253,887.35
  6. Step 6: Final answer
    x = 209,709.96

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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.