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Finding the Fourth Proportional to 136,595.52, 204,929.76 and 43,103.04

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Solution

The fourth proportional to 136,595.52, 204,929.76 and 43,103.04 is: 64,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,595.52 : 204,929.76 = 43,103.04 : x
  2. Step 2: Convert to fraction form
    136,595.52/204,929.76 = 43,103.04/x
  3. Step 3: Cross multiply
    136,595.52x = 204,929.76 × 43,103.04
  4. Step 4: Simplify right side
    136,595.52x = 8,833,095,642.47
  5. Step 5: Solve for x
    x = 8,833,095,642.47/136,595.52
  6. Step 6: Final answer
    x = 64,666.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.