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Finding the Fourth Proportional to 134,058.12, 201,087 and 34,218.30

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Solution

The fourth proportional to 134,058.12, 201,087 and 34,218.30 is: 51,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,058.12 : 201,087 = 34,218.30 : x
  2. Step 2: Convert to fraction form
    134,058.12/201,087 = 34,218.30/x
  3. Step 3: Cross multiply
    134,058.12x = 201,087 × 34,218.30
  4. Step 4: Simplify right side
    134,058.12x = 6,880,855,292.10
  5. Step 5: Solve for x
    x = 6,880,855,292.10/134,058.12
  6. Step 6: Final answer
    x = 51,327.40

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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.