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Finding the Fourth Proportional to 186,167, 256,911.60 and 101,284.68

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Solution

The fourth proportional to 186,167, 256,911.60 and 101,284.68 is: 139,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,167 : 256,911.60 = 101,284.68 : x
  2. Step 2: Convert to fraction form
    186,167/256,911.60 = 101,284.68/x
  3. Step 3: Cross multiply
    186,167x = 256,911.60 × 101,284.68
  4. Step 4: Simplify right side
    186,167x = 26,021,209,194.29
  5. Step 5: Solve for x
    x = 26,021,209,194.29/186,167
  6. Step 6: Final answer
    x = 139,773.48

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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.