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Finding the Fourth Proportional to 119,325.84, 164,672.32 and 65,607.44

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Solution

The fourth proportional to 119,325.84, 164,672.32 and 65,607.44 is: 90,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,325.84 : 164,672.32 = 65,607.44 : x
  2. Step 2: Convert to fraction form
    119,325.84/164,672.32 = 65,607.44/x
  3. Step 3: Cross multiply
    119,325.84x = 164,672.32 × 65,607.44
  4. Step 4: Simplify right side
    119,325.84x = 10,803,729,354.06
  5. Step 5: Solve for x
    x = 10,803,729,354.06/119,325.84
  6. Step 6: Final answer
    x = 90,539.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.