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Finding the Fourth Proportional to 116,573.76, 160,885.44 and 66,280.32

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Solution

The fourth proportional to 116,573.76, 160,885.44 and 66,280.32 is: 91,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,573.76 : 160,885.44 = 66,280.32 : x
  2. Step 2: Convert to fraction form
    116,573.76/160,885.44 = 66,280.32/x
  3. Step 3: Cross multiply
    116,573.76x = 160,885.44 × 66,280.32
  4. Step 4: Simplify right side
    116,573.76x = 10,663,538,446.54
  5. Step 5: Solve for x
    x = 10,663,538,446.54/116,573.76
  6. Step 6: Final answer
    x = 91,474.60

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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.