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Finding the Fourth Proportional to 148,039.60, 222,059.40 and 103,716.40

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Solution

The fourth proportional to 148,039.60, 222,059.40 and 103,716.40 is: 155,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,039.60 : 222,059.40 = 103,716.40 : x
  2. Step 2: Convert to fraction form
    148,039.60/222,059.40 = 103,716.40/x
  3. Step 3: Cross multiply
    148,039.60x = 222,059.40 × 103,716.40
  4. Step 4: Simplify right side
    148,039.60x = 23,031,201,554.16
  5. Step 5: Solve for x
    x = 23,031,201,554.16/148,039.60
  6. Step 6: Final answer
    x = 155,574.60

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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.