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Finding the Fourth Proportional to 132,703.52, 183,130.84 and 73,087.52

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Solution

The fourth proportional to 132,703.52, 183,130.84 and 73,087.52 is: 100,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,703.52 : 183,130.84 = 73,087.52 : x
  2. Step 2: Convert to fraction form
    132,703.52/183,130.84 = 73,087.52/x
  3. Step 3: Cross multiply
    132,703.52x = 183,130.84 × 73,087.52
  4. Step 4: Simplify right side
    132,703.52x = 13,384,578,931.12
  5. Step 5: Solve for x
    x = 13,384,578,931.12/132,703.52
  6. Step 6: Final answer
    x = 100,860.77

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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.