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Finding the Fourth Proportional to 223,454.64, 308,332.74 and 132,776.88

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Solution

The fourth proportional to 223,454.64, 308,332.74 and 132,776.88 is: 183,211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,454.64 : 308,332.74 = 132,776.88 : x
  2. Step 2: Convert to fraction form
    223,454.64/308,332.74 = 132,776.88/x
  3. Step 3: Cross multiply
    223,454.64x = 308,332.74 × 132,776.88
  4. Step 4: Simplify right side
    223,454.64x = 40,939,459,219.05
  5. Step 5: Solve for x
    x = 40,939,459,219.05/223,454.64
  6. Step 6: Final answer
    x = 183,211.50

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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.