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Finding the Fourth Proportional to 335,348.51, 503,022.69 and 86,030.51

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Solution

The fourth proportional to 335,348.51, 503,022.69 and 86,030.51 is: 129,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,348.51 : 503,022.69 = 86,030.51 : x
  2. Step 2: Convert to fraction form
    335,348.51/503,022.69 = 86,030.51/x
  3. Step 3: Cross multiply
    335,348.51x = 503,022.69 × 86,030.51
  4. Step 4: Simplify right side
    335,348.51x = 43,275,296,047.16
  5. Step 5: Solve for x
    x = 43,275,296,047.16/335,348.51
  6. Step 6: Final answer
    x = 129,045.74

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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.