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Finding the Fourth Proportional to 123,999.60, 186,006.60 and 35,259.60

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Solution

The fourth proportional to 123,999.60, 186,006.60 and 35,259.60 is: 52,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,999.60 : 186,006.60 = 35,259.60 : x
  2. Step 2: Convert to fraction form
    123,999.60/186,006.60 = 35,259.60/x
  3. Step 3: Cross multiply
    123,999.60x = 186,006.60 × 35,259.60
  4. Step 4: Simplify right side
    123,999.60x = 6,558,518,313.36
  5. Step 5: Solve for x
    x = 6,558,518,313.36/123,999.60
  6. Step 6: Final answer
    x = 52,891.45

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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.