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Finding the Fourth Proportional to 171,586.76, 257,376.49 and 46,927.76

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Solution

The fourth proportional to 171,586.76, 257,376.49 and 46,927.76 is: 70,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,586.76 : 257,376.49 = 46,927.76 : x
  2. Step 2: Convert to fraction form
    171,586.76/257,376.49 = 46,927.76/x
  3. Step 3: Cross multiply
    171,586.76x = 257,376.49 × 46,927.76
  4. Step 4: Simplify right side
    171,586.76x = 12,078,102,152.36
  5. Step 5: Solve for x
    x = 12,078,102,152.36/171,586.76
  6. Step 6: Final answer
    x = 70,390.64

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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.