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Finding the Fourth Proportional to 150,303.67, 207,422.79 and 82,323.51

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Solution

The fourth proportional to 150,303.67, 207,422.79 and 82,323.51 is: 113,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,303.67 : 207,422.79 = 82,323.51 : x
  2. Step 2: Convert to fraction form
    150,303.67/207,422.79 = 82,323.51/x
  3. Step 3: Cross multiply
    150,303.67x = 207,422.79 × 82,323.51
  4. Step 4: Simplify right side
    150,303.67x = 17,075,772,126.79
  5. Step 5: Solve for x
    x = 17,075,772,126.79/150,303.67
  6. Step 6: Final answer
    x = 113,608.48

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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.