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Finding the Fourth Proportional to 245,519.51, 368,131.03 and 95,731.07

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Solution

The fourth proportional to 245,519.51, 368,131.03 and 95,731.07 is: 143,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,519.51 : 368,131.03 = 95,731.07 : x
  2. Step 2: Convert to fraction form
    245,519.51/368,131.03 = 95,731.07/x
  3. Step 3: Cross multiply
    245,519.51x = 368,131.03 × 95,731.07
  4. Step 4: Simplify right side
    245,519.51x = 35,241,575,322.12
  5. Step 5: Solve for x
    x = 35,241,575,322.12/245,519.51
  6. Step 6: Final answer
    x = 143,538.80

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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.