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Finding the Fourth Proportional to 161,937, 223,492.56 and 94,869

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Solution

The fourth proportional to 161,937, 223,492.56 and 94,869 is: 130,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,937 : 223,492.56 = 94,869 : x
  2. Step 2: Convert to fraction form
    161,937/223,492.56 = 94,869/x
  3. Step 3: Cross multiply
    161,937x = 223,492.56 × 94,869
  4. Step 4: Simplify right side
    161,937x = 21,202,515,674.64
  5. Step 5: Solve for x
    x = 21,202,515,674.64/161,937
  6. Step 6: Final answer
    x = 130,930.64

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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.