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Finding the Fourth Proportional to 235,124.88, 324,492.38 and 133,168.20

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Solution

The fourth proportional to 235,124.88, 324,492.38 and 133,168.20 is: 183,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,124.88 : 324,492.38 = 133,168.20 : x
  2. Step 2: Convert to fraction form
    235,124.88/324,492.38 = 133,168.20/x
  3. Step 3: Cross multiply
    235,124.88x = 324,492.38 × 133,168.20
  4. Step 4: Simplify right side
    235,124.88x = 43,212,066,158.32
  5. Step 5: Solve for x
    x = 43,212,066,158.32/235,124.88
  6. Step 6: Final answer
    x = 183,783.47

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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.