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Finding the Fourth Proportional to 132,802.50, 183,267.45 and 73,186.50

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Solution

The fourth proportional to 132,802.50, 183,267.45 and 73,186.50 is: 100,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,802.50 : 183,267.45 = 73,186.50 : x
  2. Step 2: Convert to fraction form
    132,802.50/183,267.45 = 73,186.50/x
  3. Step 3: Cross multiply
    132,802.50x = 183,267.45 × 73,186.50
  4. Step 4: Simplify right side
    132,802.50x = 13,412,703,503.87
  5. Step 5: Solve for x
    x = 13,412,703,503.87/132,802.50
  6. Step 6: Final answer
    x = 100,997.37

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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.