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Finding the Fourth Proportional to 183,380.40, 253,082.88 and 102,808.08

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Solution

The fourth proportional to 183,380.40, 253,082.88 and 102,808.08 is: 141,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,380.40 : 253,082.88 = 102,808.08 : x
  2. Step 2: Convert to fraction form
    183,380.40/253,082.88 = 102,808.08/x
  3. Step 3: Cross multiply
    183,380.40x = 253,082.88 × 102,808.08
  4. Step 4: Simplify right side
    183,380.40x = 26,018,964,973.67
  5. Step 5: Solve for x
    x = 26,018,964,973.67/183,380.40
  6. Step 6: Final answer
    x = 141,885.20

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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.