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Finding the Fourth Proportional to 100,292.21, 150,461.02 and 33,730.51

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Solution

The fourth proportional to 100,292.21, 150,461.02 and 33,730.51 is: 50,603.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,292.21 : 150,461.02 = 33,730.51 : x
  2. Step 2: Convert to fraction form
    100,292.21/150,461.02 = 33,730.51/x
  3. Step 3: Cross multiply
    100,292.21x = 150,461.02 × 33,730.51
  4. Step 4: Simplify right side
    100,292.21x = 5,075,126,939.72
  5. Step 5: Solve for x
    x = 5,075,126,939.72/100,292.21
  6. Step 6: Final answer
    x = 50,603.40

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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.