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Finding the Fourth Proportional to 180,030.16, 270,078.04 and 61,713.46

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Solution

The fourth proportional to 180,030.16, 270,078.04 and 61,713.46 is: 92,581.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,030.16 : 270,078.04 = 61,713.46 : x
  2. Step 2: Convert to fraction form
    180,030.16/270,078.04 = 61,713.46/x
  3. Step 3: Cross multiply
    180,030.16x = 270,078.04 × 61,713.46
  4. Step 4: Simplify right side
    180,030.16x = 16,667,448,968.03
  5. Step 5: Solve for x
    x = 16,667,448,968.03/180,030.16
  6. Step 6: Final answer
    x = 92,581.43

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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.