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Finding the Fourth Proportional to 192,020.80, 265,130.40 and 116,670.40

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Solution

The fourth proportional to 192,020.80, 265,130.40 and 116,670.40 is: 161,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,020.80 : 265,130.40 = 116,670.40 : x
  2. Step 2: Convert to fraction form
    192,020.80/265,130.40 = 116,670.40/x
  3. Step 3: Cross multiply
    192,020.80x = 265,130.40 × 116,670.40
  4. Step 4: Simplify right side
    192,020.80x = 30,932,869,820.16
  5. Step 5: Solve for x
    x = 30,932,869,820.16/192,020.80
  6. Step 6: Final answer
    x = 161,091.25

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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.