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Finding the Fourth Proportional to 342,089.56, 513,209.94 and 117,444.88

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Solution

The fourth proportional to 342,089.56, 513,209.94 and 117,444.88 is: 176,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,089.56 : 513,209.94 = 117,444.88 : x
  2. Step 2: Convert to fraction form
    342,089.56/513,209.94 = 117,444.88/x
  3. Step 3: Cross multiply
    342,089.56x = 513,209.94 × 117,444.88
  4. Step 4: Simplify right side
    342,089.56x = 60,273,879,818.11
  5. Step 5: Solve for x
    x = 60,273,879,818.11/342,089.56
  6. Step 6: Final answer
    x = 176,193.27

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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.