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Finding the Fourth Proportional to 245,561.73, 368,184.65 and 103,499.07

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Solution

The fourth proportional to 245,561.73, 368,184.65 and 103,499.07 is: 155,182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,561.73 : 368,184.65 = 103,499.07 : x
  2. Step 2: Convert to fraction form
    245,561.73/368,184.65 = 103,499.07/x
  3. Step 3: Cross multiply
    245,561.73x = 368,184.65 × 103,499.07
  4. Step 4: Simplify right side
    245,561.73x = 38,106,768,345.78
  5. Step 5: Solve for x
    x = 38,106,768,345.78/245,561.73
  6. Step 6: Final answer
    x = 155,182.03

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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.