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Finding the Fourth Proportional to 176,145.64, 243,080.64 and 95,573.14

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Solution

The fourth proportional to 176,145.64, 243,080.64 and 95,573.14 is: 131,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,145.64 : 243,080.64 = 95,573.14 : x
  2. Step 2: Convert to fraction form
    176,145.64/243,080.64 = 95,573.14/x
  3. Step 3: Cross multiply
    176,145.64x = 243,080.64 × 95,573.14
  4. Step 4: Simplify right side
    176,145.64x = 23,231,980,038.01
  5. Step 5: Solve for x
    x = 23,231,980,038.01/176,145.64
  6. Step 6: Final answer
    x = 131,890.75

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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.