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Finding the Fourth Proportional to 243,112.64, 335,486.60 and 152,517.36

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Solution

The fourth proportional to 243,112.64, 335,486.60 and 152,517.36 is: 210,468.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,112.64 : 335,486.60 = 152,517.36 : x
  2. Step 2: Convert to fraction form
    243,112.64/335,486.60 = 152,517.36/x
  3. Step 3: Cross multiply
    243,112.64x = 335,486.60 × 152,517.36
  4. Step 4: Simplify right side
    243,112.64x = 51,167,530,547.38
  5. Step 5: Solve for x
    x = 51,167,530,547.38/243,112.64
  6. Step 6: Final answer
    x = 210,468.41

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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.