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Finding the Fourth Proportional to 236,560.70, 354,887.76 and 86,802.22

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Solution

The fourth proportional to 236,560.70, 354,887.76 and 86,802.22 is: 130,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,560.70 : 354,887.76 = 86,802.22 : x
  2. Step 2: Convert to fraction form
    236,560.70/354,887.76 = 86,802.22/x
  3. Step 3: Cross multiply
    236,560.70x = 354,887.76 × 86,802.22
  4. Step 4: Simplify right side
    236,560.70x = 30,805,045,418.83
  5. Step 5: Solve for x
    x = 30,805,045,418.83/236,560.70
  6. Step 6: Final answer
    x = 130,220.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.