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Finding the Fourth Proportional to 222,708.59, 307,265.55 and 125,903.06

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Solution

The fourth proportional to 222,708.59, 307,265.55 and 125,903.06 is: 173,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,708.59 : 307,265.55 = 125,903.06 : x
  2. Step 2: Convert to fraction form
    222,708.59/307,265.55 = 125,903.06/x
  3. Step 3: Cross multiply
    222,708.59x = 307,265.55 × 125,903.06
  4. Step 4: Simplify right side
    222,708.59x = 38,685,672,829.57
  5. Step 5: Solve for x
    x = 38,685,672,829.57/222,708.59
  6. Step 6: Final answer
    x = 173,705.35

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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.