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Finding the Fourth Proportional to 224,210.44, 309,429.30 and 123,629.32

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Solution

The fourth proportional to 224,210.44, 309,429.30 and 123,629.32 is: 170,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,210.44 : 309,429.30 = 123,629.32 : x
  2. Step 2: Convert to fraction form
    224,210.44/309,429.30 = 123,629.32/x
  3. Step 3: Cross multiply
    224,210.44x = 309,429.30 × 123,629.32
  4. Step 4: Simplify right side
    224,210.44x = 38,254,533,947.08
  5. Step 5: Solve for x
    x = 38,254,533,947.08/224,210.44
  6. Step 6: Final answer
    x = 170,618.88

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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.