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Finding the Fourth Proportional to 93,099.62, 128,460.47 and 60,825.65

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Solution

The fourth proportional to 93,099.62, 128,460.47 and 60,825.65 is: 83,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,099.62 : 128,460.47 = 60,825.65 : x
  2. Step 2: Convert to fraction form
    93,099.62/128,460.47 = 60,825.65/x
  3. Step 3: Cross multiply
    93,099.62x = 128,460.47 × 60,825.65
  4. Step 4: Simplify right side
    93,099.62x = 7,813,691,587.06
  5. Step 5: Solve for x
    x = 7,813,691,587.06/93,099.62
  6. Step 6: Final answer
    x = 83,928.29

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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.