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Finding the Fourth Proportional to 235,348.32, 353,019.45 and 57,856.86

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Solution

The fourth proportional to 235,348.32, 353,019.45 and 57,856.86 is: 86,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,348.32 : 353,019.45 = 57,856.86 : x
  2. Step 2: Convert to fraction form
    235,348.32/353,019.45 = 57,856.86/x
  3. Step 3: Cross multiply
    235,348.32x = 353,019.45 × 57,856.86
  4. Step 4: Simplify right side
    235,348.32x = 20,424,596,895.93
  5. Step 5: Solve for x
    x = 20,424,596,895.93/235,348.32
  6. Step 6: Final answer
    x = 86,784.55

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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.