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Finding the Fourth Proportional to 222,693.78, 334,070.73 and 64,920.99

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Solution

The fourth proportional to 222,693.78, 334,070.73 and 64,920.99 is: 97,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,693.78 : 334,070.73 = 64,920.99 : x
  2. Step 2: Convert to fraction form
    222,693.78/334,070.73 = 64,920.99/x
  3. Step 3: Cross multiply
    222,693.78x = 334,070.73 × 64,920.99
  4. Step 4: Simplify right side
    222,693.78x = 21,688,202,521.62
  5. Step 5: Solve for x
    x = 21,688,202,521.62/222,693.78
  6. Step 6: Final answer
    x = 97,390.25

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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.