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Finding the Fourth Proportional to 132,803.69, 183,269.09 and 73,187.69

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Solution

The fourth proportional to 132,803.69, 183,269.09 and 73,187.69 is: 100,999.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,803.69 : 183,269.09 = 73,187.69 : x
  2. Step 2: Convert to fraction form
    132,803.69/183,269.09 = 73,187.69/x
  3. Step 3: Cross multiply
    132,803.69x = 183,269.09 × 73,187.69
  4. Step 4: Simplify right side
    132,803.69x = 13,413,041,345.50
  5. Step 5: Solve for x
    x = 13,413,041,345.50/132,803.69
  6. Step 6: Final answer
    x = 100,999.01

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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.