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Finding the Fourth Proportional to 303,898.52, 455,853.65 and 93,536.25

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Solution

The fourth proportional to 303,898.52, 455,853.65 and 93,536.25 is: 140,306.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,898.52 : 455,853.65 = 93,536.25 : x
  2. Step 2: Convert to fraction form
    303,898.52/455,853.65 = 93,536.25/x
  3. Step 3: Cross multiply
    303,898.52x = 455,853.65 × 93,536.25
  4. Step 4: Simplify right side
    303,898.52x = 42,638,840,502.13
  5. Step 5: Solve for x
    x = 42,638,840,502.13/303,898.52
  6. Step 6: Final answer
    x = 140,306.18

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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.