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Finding the Fourth Proportional to 132,636.52, 183,051.30 and 99,044.20

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Solution

The fourth proportional to 132,636.52, 183,051.30 and 99,044.20 is: 136,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,636.52 : 183,051.30 = 99,044.20 : x
  2. Step 2: Convert to fraction form
    132,636.52/183,051.30 = 99,044.20/x
  3. Step 3: Cross multiply
    132,636.52x = 183,051.30 × 99,044.20
  4. Step 4: Simplify right side
    132,636.52x = 18,130,169,567.46
  5. Step 5: Solve for x
    x = 18,130,169,567.46/132,636.52
  6. Step 6: Final answer
    x = 136,690.63

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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.