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Finding the Fourth Proportional to 245,773.02, 368,802.87 and 103,609.59

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Solution

The fourth proportional to 245,773.02, 368,802.87 and 103,609.59 is: 155,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,773.02 : 368,802.87 = 103,609.59 : x
  2. Step 2: Convert to fraction form
    245,773.02/368,802.87 = 103,609.59/x
  3. Step 3: Cross multiply
    245,773.02x = 368,802.87 × 103,609.59
  4. Step 4: Simplify right side
    245,773.02x = 38,211,514,151.52
  5. Step 5: Solve for x
    x = 38,211,514,151.52/245,773.02
  6. Step 6: Final answer
    x = 155,474.81

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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.