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Finding the Fourth Proportional to 133,907.33, 200,720.88 and 45,130.19

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Solution

The fourth proportional to 133,907.33, 200,720.88 and 45,130.19 is: 67,648.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,907.33 : 200,720.88 = 45,130.19 : x
  2. Step 2: Convert to fraction form
    133,907.33/200,720.88 = 45,130.19/x
  3. Step 3: Cross multiply
    133,907.33x = 200,720.88 × 45,130.19
  4. Step 4: Simplify right side
    133,907.33x = 9,058,570,447.76
  5. Step 5: Solve for x
    x = 9,058,570,447.76/133,907.33
  6. Step 6: Final answer
    x = 67,648.05

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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.