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Finding the Fourth Proportional to 253,574.15, 349,932.45 and 158,081.22

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Solution

The fourth proportional to 253,574.15, 349,932.45 and 158,081.22 is: 218,152.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,574.15 : 349,932.45 = 158,081.22 : x
  2. Step 2: Convert to fraction form
    253,574.15/349,932.45 = 158,081.22/x
  3. Step 3: Cross multiply
    253,574.15x = 349,932.45 × 158,081.22
  4. Step 4: Simplify right side
    253,574.15x = 55,317,749,206.39
  5. Step 5: Solve for x
    x = 55,317,749,206.39/253,574.15
  6. Step 6: Final answer
    x = 218,152.17

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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.