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Finding the Fourth Proportional to 235,347.32, 353,017.94 and 57,855.86

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Solution

The fourth proportional to 235,347.32, 353,017.94 and 57,855.86 is: 86,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,347.32 : 353,017.94 = 57,855.86 : x
  2. Step 2: Convert to fraction form
    235,347.32/353,017.94 = 57,855.86/x
  3. Step 3: Cross multiply
    235,347.32x = 353,017.94 × 57,855.86
  4. Step 4: Simplify right side
    235,347.32x = 20,424,156,514.13
  5. Step 5: Solve for x
    x = 20,424,156,514.13/235,347.32
  6. Step 6: Final answer
    x = 86,783.04

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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.