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Finding the Fourth Proportional to 190,366.16, 285,678.44 and 101,683.32

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Solution

The fourth proportional to 190,366.16, 285,678.44 and 101,683.32 is: 152,593.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,366.16 : 285,678.44 = 101,683.32 : x
  2. Step 2: Convert to fraction form
    190,366.16/285,678.44 = 101,683.32/x
  3. Step 3: Cross multiply
    190,366.16x = 285,678.44 × 101,683.32
  4. Step 4: Simplify right side
    190,366.16x = 29,048,732,231.62
  5. Step 5: Solve for x
    x = 29,048,732,231.62/190,366.16
  6. Step 6: Final answer
    x = 152,593.99

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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.