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Finding the Fourth Proportional to 124,345.54, 186,463.44 and 35,578.84

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Solution

The fourth proportional to 124,345.54, 186,463.44 and 35,578.84 is: 53,352.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,345.54 : 186,463.44 = 35,578.84 : x
  2. Step 2: Convert to fraction form
    124,345.54/186,463.44 = 35,578.84/x
  3. Step 3: Cross multiply
    124,345.54x = 186,463.44 × 35,578.84
  4. Step 4: Simplify right side
    124,345.54x = 6,634,152,897.61
  5. Step 5: Solve for x
    x = 6,634,152,897.61/124,345.54
  6. Step 6: Final answer
    x = 53,352.56

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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.