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Finding the Fourth Proportional to 248,884.96, 343,461.59 and 135,707.71

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Solution

The fourth proportional to 248,884.96, 343,461.59 and 135,707.71 is: 187,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,884.96 : 343,461.59 = 135,707.71 : x
  2. Step 2: Convert to fraction form
    248,884.96/343,461.59 = 135,707.71/x
  3. Step 3: Cross multiply
    248,884.96x = 343,461.59 × 135,707.71
  4. Step 4: Simplify right side
    248,884.96x = 46,610,385,851.86
  5. Step 5: Solve for x
    x = 46,610,385,851.86/248,884.96
  6. Step 6: Final answer
    x = 187,276.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.