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Finding the Fourth Proportional to 186,727.30, 280,090.95 and 153,922.30

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Solution

The fourth proportional to 186,727.30, 280,090.95 and 153,922.30 is: 230,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,727.30 : 280,090.95 = 153,922.30 : x
  2. Step 2: Convert to fraction form
    186,727.30/280,090.95 = 153,922.30/x
  3. Step 3: Cross multiply
    186,727.30x = 280,090.95 × 153,922.30
  4. Step 4: Simplify right side
    186,727.30x = 43,112,243,233.19
  5. Step 5: Solve for x
    x = 43,112,243,233.19/186,727.30
  6. Step 6: Final answer
    x = 230,883.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.