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Finding the Fourth Proportional to 240,692.16, 332,158.68 and 138,661.32

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Solution

The fourth proportional to 240,692.16, 332,158.68 and 138,661.32 is: 191,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,692.16 : 332,158.68 = 138,661.32 : x
  2. Step 2: Convert to fraction form
    240,692.16/332,158.68 = 138,661.32/x
  3. Step 3: Cross multiply
    240,692.16x = 332,158.68 × 138,661.32
  4. Step 4: Simplify right side
    240,692.16x = 46,057,561,018.26
  5. Step 5: Solve for x
    x = 46,057,561,018.26/240,692.16
  6. Step 6: Final answer
    x = 191,354.64

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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.