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Finding the Fourth Proportional to 243,692.12, 336,308.16 and 146,926.92

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Solution

The fourth proportional to 243,692.12, 336,308.16 and 146,926.92 is: 202,767.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,692.12 : 336,308.16 = 146,926.92 : x
  2. Step 2: Convert to fraction form
    243,692.12/336,308.16 = 146,926.92/x
  3. Step 3: Cross multiply
    243,692.12x = 336,308.16 × 146,926.92
  4. Step 4: Simplify right side
    243,692.12x = 49,412,722,119.67
  5. Step 5: Solve for x
    x = 49,412,722,119.67/243,692.12
  6. Step 6: Final answer
    x = 202,767.01

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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.