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Finding the Fourth Proportional to 245,768.99, 368,549.19 and 103,677.98

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Solution

The fourth proportional to 245,768.99, 368,549.19 and 103,677.98 is: 155,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,768.99 : 368,549.19 = 103,677.98 : x
  2. Step 2: Convert to fraction form
    245,768.99/368,549.19 = 103,677.98/x
  3. Step 3: Cross multiply
    245,768.99x = 368,549.19 × 103,677.98
  4. Step 4: Simplify right side
    245,768.99x = 38,210,433,707.09
  5. Step 5: Solve for x
    x = 38,210,433,707.09/245,768.99
  6. Step 6: Final answer
    x = 155,472.97

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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.