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Finding the Fourth Proportional to 222,881.58, 307,501.79 and 127,320.63

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Solution

The fourth proportional to 222,881.58, 307,501.79 and 127,320.63 is: 175,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,881.58 : 307,501.79 = 127,320.63 : x
  2. Step 2: Convert to fraction form
    222,881.58/307,501.79 = 127,320.63/x
  3. Step 3: Cross multiply
    222,881.58x = 307,501.79 × 127,320.63
  4. Step 4: Simplify right side
    222,881.58x = 39,151,320,992.32
  5. Step 5: Solve for x
    x = 39,151,320,992.32/222,881.58
  6. Step 6: Final answer
    x = 175,659.74

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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.