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Finding the Fourth Proportional to 342,855.37, 514,316.88 and 118,186.22

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Solution

The fourth proportional to 342,855.37, 514,316.88 and 118,186.22 is: 177,290.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,855.37 : 514,316.88 = 118,186.22 : x
  2. Step 2: Convert to fraction form
    342,855.37/514,316.88 = 118,186.22/x
  3. Step 3: Cross multiply
    342,855.37x = 514,316.88 × 118,186.22
  4. Step 4: Simplify right side
    342,855.37x = 60,785,168,224.86
  5. Step 5: Solve for x
    x = 60,785,168,224.86/342,855.37
  6. Step 6: Final answer
    x = 177,290.99

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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.