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Finding the Fourth Proportional to 117,510.66, 176,090.97 and 64,935.18

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Solution

The fourth proportional to 117,510.66, 176,090.97 and 64,935.18 is: 97,306.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,510.66 : 176,090.97 = 64,935.18 : x
  2. Step 2: Convert to fraction form
    117,510.66/176,090.97 = 64,935.18/x
  3. Step 3: Cross multiply
    117,510.66x = 176,090.97 × 64,935.18
  4. Step 4: Simplify right side
    117,510.66x = 11,434,498,833.32
  5. Step 5: Solve for x
    x = 11,434,498,833.32/117,510.66
  6. Step 6: Final answer
    x = 97,306.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.