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Finding the Fourth Proportional to 356,265.27, 534,433.01 and 103,547.97

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Solution

The fourth proportional to 356,265.27, 534,433.01 and 103,547.97 is: 155,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,265.27 : 534,433.01 = 103,547.97 : x
  2. Step 2: Convert to fraction form
    356,265.27/534,433.01 = 103,547.97/x
  3. Step 3: Cross multiply
    356,265.27x = 534,433.01 × 103,547.97
  4. Step 4: Simplify right side
    356,265.27x = 55,339,452,768.75
  5. Step 5: Solve for x
    x = 55,339,452,768.75/356,265.27
  6. Step 6: Final answer
    x = 155,332.16

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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.