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Finding the Fourth Proportional to 222,070.80, 333,365.40 and 127,376.40

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Solution

The fourth proportional to 222,070.80, 333,365.40 and 127,376.40 is: 191,213.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,070.80 : 333,365.40 = 127,376.40 : x
  2. Step 2: Convert to fraction form
    222,070.80/333,365.40 = 127,376.40/x
  3. Step 3: Cross multiply
    222,070.80x = 333,365.40 × 127,376.40
  4. Step 4: Simplify right side
    222,070.80x = 42,462,884,536.56
  5. Step 5: Solve for x
    x = 42,462,884,536.56/222,070.80
  6. Step 6: Final answer
    x = 191,213.27

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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.