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Finding the Fourth Proportional to 102,243.75, 153,365.63 and 46,839.75

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Solution

The fourth proportional to 102,243.75, 153,365.63 and 46,839.75 is: 70,259.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,243.75 : 153,365.63 = 46,839.75 : x
  2. Step 2: Convert to fraction form
    102,243.75/153,365.63 = 46,839.75/x
  3. Step 3: Cross multiply
    102,243.75x = 153,365.63 × 46,839.75
  4. Step 4: Simplify right side
    102,243.75x = 7,183,607,533.59
  5. Step 5: Solve for x
    x = 7,183,607,533.59/102,243.75
  6. Step 6: Final answer
    x = 70,259.63

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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.