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Finding the Fourth Proportional to 84,895.78, 127,347.90 and 32,309.34

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Solution

The fourth proportional to 84,895.78, 127,347.90 and 32,309.34 is: 48,465.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,895.78 : 127,347.90 = 32,309.34 : x
  2. Step 2: Convert to fraction form
    84,895.78/127,347.90 = 32,309.34/x
  3. Step 3: Cross multiply
    84,895.78x = 127,347.90 × 32,309.34
  4. Step 4: Simplify right side
    84,895.78x = 4,114,526,599.39
  5. Step 5: Solve for x
    x = 4,114,526,599.39/84,895.78
  6. Step 6: Final answer
    x = 48,465.62

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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.