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Finding the Fourth Proportional to 243,851.66, 365,812.42 and 75,386.64

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Solution

The fourth proportional to 243,851.66, 365,812.42 and 75,386.64 is: 113,090.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,851.66 : 365,812.42 = 75,386.64 : x
  2. Step 2: Convert to fraction form
    243,851.66/365,812.42 = 75,386.64/x
  3. Step 3: Cross multiply
    243,851.66x = 365,812.42 × 75,386.64
  4. Step 4: Simplify right side
    243,851.66x = 27,577,369,214.07
  5. Step 5: Solve for x
    x = 27,577,369,214.07/243,851.66
  6. Step 6: Final answer
    x = 113,090.76

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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.