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Finding the Fourth Proportional to 235,365.75, 353,045.55 and 57,874.30

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Solution

The fourth proportional to 235,365.75, 353,045.55 and 57,874.30 is: 86,810.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,365.75 : 353,045.55 = 57,874.30 : x
  2. Step 2: Convert to fraction form
    235,365.75/353,045.55 = 57,874.30/x
  3. Step 3: Cross multiply
    235,365.75x = 353,045.55 × 57,874.30
  4. Step 4: Simplify right side
    235,365.75x = 20,432,264,074.37
  5. Step 5: Solve for x
    x = 20,432,264,074.37/235,365.75
  6. Step 6: Final answer
    x = 86,810.69

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1.5x scale

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.