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Finding the Fourth Proportional to 326,075.04, 489,101.04 and 89,413.92

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Solution

The fourth proportional to 326,075.04, 489,101.04 and 89,413.92 is: 134,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,075.04 : 489,101.04 = 89,413.92 : x
  2. Step 2: Convert to fraction form
    326,075.04/489,101.04 = 89,413.92/x
  3. Step 3: Cross multiply
    326,075.04x = 489,101.04 × 89,413.92
  4. Step 4: Simplify right side
    326,075.04x = 43,732,441,262.48
  5. Step 5: Solve for x
    x = 43,732,441,262.48/326,075.04
  6. Step 6: Final answer
    x = 134,117.72

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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.