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Finding the Fourth Proportional to 235,176.40, 353,110.20 and 141,864.40

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Solution

The fourth proportional to 235,176.40, 353,110.20 and 141,864.40 is: 213,005.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,176.40 : 353,110.20 = 141,864.40 : x
  2. Step 2: Convert to fraction form
    235,176.40/353,110.20 = 141,864.40/x
  3. Step 3: Cross multiply
    235,176.40x = 353,110.20 × 141,864.40
  4. Step 4: Simplify right side
    235,176.40x = 50,093,766,656.88
  5. Step 5: Solve for x
    x = 50,093,766,656.88/235,176.40
  6. Step 6: Final answer
    x = 213,005.07

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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.