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Finding the Fourth Proportional to 222,659.04, 307,263.12 and 127,163.76

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Solution

The fourth proportional to 222,659.04, 307,263.12 and 127,163.76 is: 175,482.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,659.04 : 307,263.12 = 127,163.76 : x
  2. Step 2: Convert to fraction form
    222,659.04/307,263.12 = 127,163.76/x
  3. Step 3: Cross multiply
    222,659.04x = 307,263.12 × 127,163.76
  4. Step 4: Simplify right side
    222,659.04x = 39,072,733,648.53
  5. Step 5: Solve for x
    x = 39,072,733,648.53/222,659.04
  6. Step 6: Final answer
    x = 175,482.36

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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.