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Finding the Fourth Proportional to 117,345.88, 161,946.53 and 99,096.04

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Solution

The fourth proportional to 117,345.88, 161,946.53 and 99,096.04 is: 136,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,345.88 : 161,946.53 = 99,096.04 : x
  2. Step 2: Convert to fraction form
    117,345.88/161,946.53 = 99,096.04/x
  3. Step 3: Cross multiply
    117,345.88x = 161,946.53 × 99,096.04
  4. Step 4: Simplify right side
    117,345.88x = 16,048,259,814.74
  5. Step 5: Solve for x
    x = 16,048,259,814.74/117,345.88
  6. Step 6: Final answer
    x = 136,760.32

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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.