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Finding the Fourth Proportional to 225,260.16, 310,734.48 and 144,699.56

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Solution

The fourth proportional to 225,260.16, 310,734.48 and 144,699.56 is: 199,605.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,260.16 : 310,734.48 = 144,699.56 : x
  2. Step 2: Convert to fraction form
    225,260.16/310,734.48 = 144,699.56/x
  3. Step 3: Cross multiply
    225,260.16x = 310,734.48 × 144,699.56
  4. Step 4: Simplify right side
    225,260.16x = 44,963,142,532.83
  5. Step 5: Solve for x
    x = 44,963,142,532.83/225,260.16
  6. Step 6: Final answer
    x = 199,605.39

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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.