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Finding the Fourth Proportional to 55,225.65, 76,210.83 and 30,075.15

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Solution

The fourth proportional to 55,225.65, 76,210.83 and 30,075.15 is: 41,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,225.65 : 76,210.83 = 30,075.15 : x
  2. Step 2: Convert to fraction form
    55,225.65/76,210.83 = 30,075.15/x
  3. Step 3: Cross multiply
    55,225.65x = 76,210.83 × 30,075.15
  4. Step 4: Simplify right side
    55,225.65x = 2,292,052,143.87
  5. Step 5: Solve for x
    x = 2,292,052,143.87/55,225.65
  6. Step 6: Final answer
    x = 41,503.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.