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Finding the Fourth Proportional to 114,653.40, 171,885.28 and 43,561.32

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Solution

The fourth proportional to 114,653.40, 171,885.28 and 43,561.32 is: 65,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,653.40 : 171,885.28 = 43,561.32 : x
  2. Step 2: Convert to fraction form
    114,653.40/171,885.28 = 43,561.32/x
  3. Step 3: Cross multiply
    114,653.40x = 171,885.28 × 43,561.32
  4. Step 4: Simplify right side
    114,653.40x = 7,487,549,685.37
  5. Step 5: Solve for x
    x = 7,487,549,685.37/114,653.40
  6. Step 6: Final answer
    x = 65,305.95

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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.