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Finding the Fourth Proportional to 180,623.99, 270,925.56 and 54,261.52

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Solution

The fourth proportional to 180,623.99, 270,925.56 and 54,261.52 is: 81,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,623.99 : 270,925.56 = 54,261.52 : x
  2. Step 2: Convert to fraction form
    180,623.99/270,925.56 = 54,261.52/x
  3. Step 3: Cross multiply
    180,623.99x = 270,925.56 × 54,261.52
  4. Step 4: Simplify right side
    180,623.99x = 14,700,832,777.12
  5. Step 5: Solve for x
    x = 14,700,832,777.12/180,623.99
  6. Step 6: Final answer
    x = 81,389.15

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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.