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Finding the Fourth Proportional to 93,228.52, 128,654.58 and 50,786.14

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Solution

The fourth proportional to 93,228.52, 128,654.58 and 50,786.14 is: 70,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,228.52 : 128,654.58 = 50,786.14 : x
  2. Step 2: Convert to fraction form
    93,228.52/128,654.58 = 50,786.14/x
  3. Step 3: Cross multiply
    93,228.52x = 128,654.58 × 50,786.14
  4. Step 4: Simplify right side
    93,228.52x = 6,533,869,511.52
  5. Step 5: Solve for x
    x = 6,533,869,511.52/93,228.52
  6. Step 6: Final answer
    x = 70,084.45

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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.