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Finding the Fourth Proportional to 171,118.56, 256,677.88 and 46,459.56

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Solution

The fourth proportional to 171,118.56, 256,677.88 and 46,459.56 is: 69,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,118.56 : 256,677.88 = 46,459.56 : x
  2. Step 2: Convert to fraction form
    171,118.56/256,677.88 = 46,459.56/x
  3. Step 3: Cross multiply
    171,118.56x = 256,677.88 × 46,459.56
  4. Step 4: Simplify right side
    171,118.56x = 11,925,141,366.53
  5. Step 5: Solve for x
    x = 11,925,141,366.53/171,118.56
  6. Step 6: Final answer
    x = 69,689.35

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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.