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Finding the Fourth Proportional to 238,209.84, 328,883.40 and 147,662.10

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Solution

The fourth proportional to 238,209.84, 328,883.40 and 147,662.10 is: 203,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,209.84 : 328,883.40 = 147,662.10 : x
  2. Step 2: Convert to fraction form
    238,209.84/328,883.40 = 147,662.10/x
  3. Step 3: Cross multiply
    238,209.84x = 328,883.40 × 147,662.10
  4. Step 4: Simplify right side
    238,209.84x = 48,563,613,499.14
  5. Step 5: Solve for x
    x = 48,563,613,499.14/238,209.84
  6. Step 6: Final answer
    x = 203,869.05

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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.