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Finding the Fourth Proportional to 133,092.87, 183,670.76 and 72,663.67

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Solution

The fourth proportional to 133,092.87, 183,670.76 and 72,663.67 is: 100,277.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,092.87 : 183,670.76 = 72,663.67 : x
  2. Step 2: Convert to fraction form
    133,092.87/183,670.76 = 72,663.67/x
  3. Step 3: Cross multiply
    133,092.87x = 183,670.76 × 72,663.67
  4. Step 4: Simplify right side
    133,092.87x = 13,346,190,532.04
  5. Step 5: Solve for x
    x = 13,346,190,532.04/133,092.87
  6. Step 6: Final answer
    x = 100,277.28

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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.