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Finding the Fourth Proportional to 240,606.64, 332,072.14 and 138,612.25

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Solution

The fourth proportional to 240,606.64, 332,072.14 and 138,612.25 is: 191,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,606.64 : 332,072.14 = 138,612.25 : x
  2. Step 2: Convert to fraction form
    240,606.64/332,072.14 = 138,612.25/x
  3. Step 3: Cross multiply
    240,606.64x = 332,072.14 × 138,612.25
  4. Step 4: Simplify right side
    240,606.64x = 46,029,264,948.27
  5. Step 5: Solve for x
    x = 46,029,264,948.27/240,606.64
  6. Step 6: Final answer
    x = 191,305.05

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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.