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Finding the Fourth Proportional to 144,194.99, 199,087.47 and 93,330.83

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Solution

The fourth proportional to 144,194.99, 199,087.47 and 93,330.83 is: 128,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,194.99 : 199,087.47 = 93,330.83 : x
  2. Step 2: Convert to fraction form
    144,194.99/199,087.47 = 93,330.83/x
  3. Step 3: Cross multiply
    144,194.99x = 199,087.47 × 93,330.83
  4. Step 4: Simplify right side
    144,194.99x = 18,580,999,315.42
  5. Step 5: Solve for x
    x = 18,580,999,315.42/144,194.99
  6. Step 6: Final answer
    x = 128,860.23

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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.