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Finding the Fourth Proportional to 93,532.32, 128,976.03 and 85,948.29

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Solution

The fourth proportional to 93,532.32, 128,976.03 and 85,948.29 is: 118,518.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,532.32 : 128,976.03 = 85,948.29 : x
  2. Step 2: Convert to fraction form
    93,532.32/128,976.03 = 85,948.29/x
  3. Step 3: Cross multiply
    93,532.32x = 128,976.03 × 85,948.29
  4. Step 4: Simplify right side
    93,532.32x = 11,085,269,229.49
  5. Step 5: Solve for x
    x = 11,085,269,229.49/93,532.32
  6. Step 6: Final answer
    x = 118,518.06

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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.