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Finding the Fourth Proportional to 222,981.64, 307,709.07 and 127,482.23

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Solution

The fourth proportional to 222,981.64, 307,709.07 and 127,482.23 is: 175,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,981.64 : 307,709.07 = 127,482.23 : x
  2. Step 2: Convert to fraction form
    222,981.64/307,709.07 = 127,482.23/x
  3. Step 3: Cross multiply
    222,981.64x = 307,709.07 × 127,482.23
  4. Step 4: Simplify right side
    222,981.64x = 39,227,438,434.83
  5. Step 5: Solve for x
    x = 39,227,438,434.83/222,981.64
  6. Step 6: Final answer
    x = 175,922.28

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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.