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Finding the Fourth Proportional to 109,588.68, 151,232.40 and 59,287.68

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Solution

The fourth proportional to 109,588.68, 151,232.40 and 59,287.68 is: 81,817.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,588.68 : 151,232.40 = 59,287.68 : x
  2. Step 2: Convert to fraction form
    109,588.68/151,232.40 = 59,287.68/x
  3. Step 3: Cross multiply
    109,588.68x = 151,232.40 × 59,287.68
  4. Step 4: Simplify right side
    109,588.68x = 8,966,218,136.83
  5. Step 5: Solve for x
    x = 8,966,218,136.83/109,588.68
  6. Step 6: Final answer
    x = 81,817.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.