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Finding the Fourth Proportional to 114,506.95, 171,585.26 and 61,206.51

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Solution

The fourth proportional to 114,506.95, 171,585.26 and 61,206.51 is: 91,716.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,506.95 : 171,585.26 = 61,206.51 : x
  2. Step 2: Convert to fraction form
    114,506.95/171,585.26 = 61,206.51/x
  3. Step 3: Cross multiply
    114,506.95x = 171,585.26 × 61,206.51
  4. Step 4: Simplify right side
    114,506.95x = 10,502,134,074.12
  5. Step 5: Solve for x
    x = 10,502,134,074.12/114,506.95
  6. Step 6: Final answer
    x = 91,716.13

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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.