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Finding the Fourth Proportional to 342,885.09, 473,189.10 and 195,707.02

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Solution

The fourth proportional to 342,885.09, 473,189.10 and 195,707.02 is: 270,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,885.09 : 473,189.10 = 195,707.02 : x
  2. Step 2: Convert to fraction form
    342,885.09/473,189.10 = 195,707.02/x
  3. Step 3: Cross multiply
    342,885.09x = 473,189.10 × 195,707.02
  4. Step 4: Simplify right side
    342,885.09x = 92,606,427,474.51
  5. Step 5: Solve for x
    x = 92,606,427,474.51/342,885.09
  6. Step 6: Final answer
    x = 270,080.07

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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.