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Finding the Fourth Proportional to 208,573.34, 312,953.02 and 96,193.13

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Solution

The fourth proportional to 208,573.34, 312,953.02 and 96,193.13 is: 144,332.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,573.34 : 312,953.02 = 96,193.13 : x
  2. Step 2: Convert to fraction form
    208,573.34/312,953.02 = 96,193.13/x
  3. Step 3: Cross multiply
    208,573.34x = 312,953.02 × 96,193.13
  4. Step 4: Simplify right side
    208,573.34x = 30,103,928,731.50
  5. Step 5: Solve for x
    x = 30,103,928,731.50/208,573.34
  6. Step 6: Final answer
    x = 144,332.59

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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.