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Finding the Fourth Proportional to 170,070.63, 255,105.94 and 45,411.63

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Solution

The fourth proportional to 170,070.63, 255,105.94 and 45,411.63 is: 68,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,070.63 : 255,105.94 = 45,411.63 : x
  2. Step 2: Convert to fraction form
    170,070.63/255,105.94 = 45,411.63/x
  3. Step 3: Cross multiply
    170,070.63x = 255,105.94 × 45,411.63
  4. Step 4: Simplify right side
    170,070.63x = 11,584,776,558.08
  5. Step 5: Solve for x
    x = 11,584,776,558.08/170,070.63
  6. Step 6: Final answer
    x = 68,117.44

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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.