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Finding the Fourth Proportional to 190,365.96, 262,706.58 and 105,484.44

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Solution

The fourth proportional to 190,365.96, 262,706.58 and 105,484.44 is: 145,569.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,365.96 : 262,706.58 = 105,484.44 : x
  2. Step 2: Convert to fraction form
    190,365.96/262,706.58 = 105,484.44/x
  3. Step 3: Cross multiply
    190,365.96x = 262,706.58 × 105,484.44
  4. Step 4: Simplify right side
    190,365.96x = 27,711,456,475.62
  5. Step 5: Solve for x
    x = 27,711,456,475.62/190,365.96
  6. Step 6: Final answer
    x = 145,569.39

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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.