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Finding the Fourth Proportional to 116,685.72, 174,915.30 and 92,935.32

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Solution

The fourth proportional to 116,685.72, 174,915.30 and 92,935.32 is: 139,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,685.72 : 174,915.30 = 92,935.32 : x
  2. Step 2: Convert to fraction form
    116,685.72/174,915.30 = 92,935.32/x
  3. Step 3: Cross multiply
    116,685.72x = 174,915.30 × 92,935.32
  4. Step 4: Simplify right side
    116,685.72x = 16,255,809,378.40
  5. Step 5: Solve for x
    x = 16,255,809,378.40/116,685.72
  6. Step 6: Final answer
    x = 139,312.76

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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.