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Finding the Fourth Proportional to 222,445.94, 306,834.09 and 145,970.06

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Solution

The fourth proportional to 222,445.94, 306,834.09 and 145,970.06 is: 201,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,445.94 : 306,834.09 = 145,970.06 : x
  2. Step 2: Convert to fraction form
    222,445.94/306,834.09 = 145,970.06/x
  3. Step 3: Cross multiply
    222,445.94x = 306,834.09 × 145,970.06
  4. Step 4: Simplify right side
    222,445.94x = 44,788,590,527.35
  5. Step 5: Solve for x
    x = 44,788,590,527.35/222,445.94
  6. Step 6: Final answer
    x = 201,345.96

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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.