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Finding the Fourth Proportional to 222,084.24, 306,483.48 and 121,482.24

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Solution

The fourth proportional to 222,084.24, 306,483.48 and 121,482.24 is: 167,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,084.24 : 306,483.48 = 121,482.24 : x
  2. Step 2: Convert to fraction form
    222,084.24/306,483.48 = 121,482.24/x
  3. Step 3: Cross multiply
    222,084.24x = 306,483.48 × 121,482.24
  4. Step 4: Simplify right side
    222,084.24x = 37,232,299,673.40
  5. Step 5: Solve for x
    x = 37,232,299,673.40/222,084.24
  6. Step 6: Final answer
    x = 167,649.45

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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.