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Finding the Fourth Proportional to 171,389.22, 257,081.10 and 46,730.22

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Solution

The fourth proportional to 171,389.22, 257,081.10 and 46,730.22 is: 70,094.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,389.22 : 257,081.10 = 46,730.22 : x
  2. Step 2: Convert to fraction form
    171,389.22/257,081.10 = 46,730.22/x
  3. Step 3: Cross multiply
    171,389.22x = 257,081.10 × 46,730.22
  4. Step 4: Simplify right side
    171,389.22x = 12,013,456,360.84
  5. Step 5: Solve for x
    x = 12,013,456,360.84/171,389.22
  6. Step 6: Final answer
    x = 70,094.59

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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.