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Finding the Fourth Proportional to 342,120.30, 513,033.66 and 117,503.34

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Solution

The fourth proportional to 342,120.30, 513,033.66 and 117,503.34 is: 176,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,120.30 : 513,033.66 = 117,503.34 : x
  2. Step 2: Convert to fraction form
    342,120.30/513,033.66 = 117,503.34/x
  3. Step 3: Cross multiply
    342,120.30x = 513,033.66 × 117,503.34
  4. Step 4: Simplify right side
    342,120.30x = 60,283,168,582.42
  5. Step 5: Solve for x
    x = 60,283,168,582.42/342,120.30
  6. Step 6: Final answer
    x = 176,204.59

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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.