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Finding the Fourth Proportional to 190,472.59, 285,681.34 and 133,373.26

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Solution

The fourth proportional to 190,472.59, 285,681.34 and 133,373.26 is: 200,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,472.59 : 285,681.34 = 133,373.26 : x
  2. Step 2: Convert to fraction form
    190,472.59/285,681.34 = 133,373.26/x
  3. Step 3: Cross multiply
    190,472.59x = 285,681.34 × 133,373.26
  4. Step 4: Simplify right side
    190,472.59x = 38,102,251,636.97
  5. Step 5: Solve for x
    x = 38,102,251,636.97/190,472.59
  6. Step 6: Final answer
    x = 200,040.60

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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.