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Finding the Fourth Proportional to 222,642.60, 333,963.90 and 152,140.20

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Solution

The fourth proportional to 222,642.60, 333,963.90 and 152,140.20 is: 228,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,642.60 : 333,963.90 = 152,140.20 : x
  2. Step 2: Convert to fraction form
    222,642.60/333,963.90 = 152,140.20/x
  3. Step 3: Cross multiply
    222,642.60x = 333,963.90 × 152,140.20
  4. Step 4: Simplify right side
    222,642.60x = 50,809,334,538.78
  5. Step 5: Solve for x
    x = 50,809,334,538.78/222,642.60
  6. Step 6: Final answer
    x = 228,210.30

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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.