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Finding the Fourth Proportional to 114,585.94, 171,883.56 and 54,583.57

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Solution

The fourth proportional to 114,585.94, 171,883.56 and 54,583.57 is: 81,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,585.94 : 171,883.56 = 54,583.57 : x
  2. Step 2: Convert to fraction form
    114,585.94/171,883.56 = 54,583.57/x
  3. Step 3: Cross multiply
    114,585.94x = 171,883.56 × 54,583.57
  4. Step 4: Simplify right side
    114,585.94x = 9,382,018,329.11
  5. Step 5: Solve for x
    x = 9,382,018,329.11/114,585.94
  6. Step 6: Final answer
    x = 81,877.57

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1.5x scale

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.