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Finding the Fourth Proportional to 303,703.20, 455,554.80 and 104,005.80

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Solution

The fourth proportional to 303,703.20, 455,554.80 and 104,005.80 is: 156,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,703.20 : 455,554.80 = 104,005.80 : x
  2. Step 2: Convert to fraction form
    303,703.20/455,554.80 = 104,005.80/x
  3. Step 3: Cross multiply
    303,703.20x = 455,554.80 × 104,005.80
  4. Step 4: Simplify right side
    303,703.20x = 47,380,341,417.84
  5. Step 5: Solve for x
    x = 47,380,341,417.84/303,703.20
  6. Step 6: Final answer
    x = 156,008.70

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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.