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Finding the Fourth Proportional to 186,082.51, 256,684.54 and 117,062.21

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Solution

The fourth proportional to 186,082.51, 256,684.54 and 117,062.21 is: 161,477.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,082.51 : 256,684.54 = 117,062.21 : x
  2. Step 2: Convert to fraction form
    186,082.51/256,684.54 = 117,062.21/x
  3. Step 3: Cross multiply
    186,082.51x = 256,684.54 × 117,062.21
  4. Step 4: Simplify right side
    186,082.51x = 30,048,059,525.23
  5. Step 5: Solve for x
    x = 30,048,059,525.23/186,082.51
  6. Step 6: Final answer
    x = 161,477.08

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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.