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Finding the Fourth Proportional to 183,421.10, 256,964.50 and 183,421.10

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Solution

The fourth proportional to 183,421.10, 256,964.50 and 183,421.10 is: 256,964.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,421.10 : 256,964.50 = 183,421.10 : x
  2. Step 2: Convert to fraction form
    183,421.10/256,964.50 = 183,421.10/x
  3. Step 3: Cross multiply
    183,421.10x = 256,964.50 × 183,421.10
  4. Step 4: Simplify right side
    183,421.10x = 47,132,711,250.95
  5. Step 5: Solve for x
    x = 47,132,711,250.95/183,421.10
  6. Step 6: Final answer
    x = 256,964.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.