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Finding the Fourth Proportional to 59,413.93, 89,123.57 and 19,435.19

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Solution

The fourth proportional to 59,413.93, 89,123.57 and 19,435.19 is: 29,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,413.93 : 89,123.57 = 19,435.19 : x
  2. Step 2: Convert to fraction form
    59,413.93/89,123.57 = 19,435.19/x
  3. Step 3: Cross multiply
    59,413.93x = 89,123.57 × 19,435.19
  4. Step 4: Simplify right side
    59,413.93x = 1,732,133,569.12
  5. Step 5: Solve for x
    x = 1,732,133,569.12/59,413.93
  6. Step 6: Final answer
    x = 29,153.66

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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.