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Finding the Fourth Proportional to 180,051.72, 270,247.04 and 91,368.84

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Solution

The fourth proportional to 180,051.72, 270,247.04 and 91,368.84 is: 137,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,051.72 : 270,247.04 = 91,368.84 : x
  2. Step 2: Convert to fraction form
    180,051.72/270,247.04 = 91,368.84/x
  3. Step 3: Cross multiply
    180,051.72x = 270,247.04 × 91,368.84
  4. Step 4: Simplify right side
    180,051.72x = 24,692,158,558.23
  5. Step 5: Solve for x
    x = 24,692,158,558.23/180,051.72
  6. Step 6: Final answer
    x = 137,139.25

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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.