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Finding the Fourth Proportional to 85,214.76, 127,822.22 and 46,021.08

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Solution

The fourth proportional to 85,214.76, 127,822.22 and 46,021.08 is: 69,031.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,214.76 : 127,822.22 = 46,021.08 : x
  2. Step 2: Convert to fraction form
    85,214.76/127,822.22 = 46,021.08/x
  3. Step 3: Cross multiply
    85,214.76x = 127,822.22 × 46,021.08
  4. Step 4: Simplify right side
    85,214.76x = 5,882,516,612.40
  5. Step 5: Solve for x
    x = 5,882,516,612.40/85,214.76
  6. Step 6: Final answer
    x = 69,031.66

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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.