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Finding the Fourth Proportional to 114,587.94, 171,886.56 and 54,585.56

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Solution

The fourth proportional to 114,587.94, 171,886.56 and 54,585.56 is: 81,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,587.94 : 171,886.56 = 54,585.56 : x
  2. Step 2: Convert to fraction form
    114,587.94/171,886.56 = 54,585.56/x
  3. Step 3: Cross multiply
    114,587.94x = 171,886.56 × 54,585.56
  4. Step 4: Simplify right side
    114,587.94x = 9,382,524,134.07
  5. Step 5: Solve for x
    x = 9,382,524,134.07/114,587.94
  6. Step 6: Final answer
    x = 81,880.56

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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.