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Finding the Fourth Proportional to 253,683.86, 350,089.38 and 144,786.01

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Solution

The fourth proportional to 253,683.86, 350,089.38 and 144,786.01 is: 199,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,683.86 : 350,089.38 = 144,786.01 : x
  2. Step 2: Convert to fraction form
    253,683.86/350,089.38 = 144,786.01/x
  3. Step 3: Cross multiply
    253,683.86x = 350,089.38 × 144,786.01
  4. Step 4: Simplify right side
    253,683.86x = 50,688,044,473.57
  5. Step 5: Solve for x
    x = 50,688,044,473.57/253,683.86
  6. Step 6: Final answer
    x = 199,807.92

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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.