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Finding the Fourth Proportional to 124,482.80, 186,668.04 and 35,716.16

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Solution

The fourth proportional to 124,482.80, 186,668.04 and 35,716.16 is: 53,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,482.80 : 186,668.04 = 35,716.16 : x
  2. Step 2: Convert to fraction form
    124,482.80/186,668.04 = 35,716.16/x
  3. Step 3: Cross multiply
    124,482.80x = 186,668.04 × 35,716.16
  4. Step 4: Simplify right side
    124,482.80x = 6,667,065,583.53
  5. Step 5: Solve for x
    x = 6,667,065,583.53/124,482.80
  6. Step 6: Final answer
    x = 53,558.13

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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.