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Finding the Fourth Proportional to 175,104.81, 241,644.74 and 99,653.31

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Solution

The fourth proportional to 175,104.81, 241,644.74 and 99,653.31 is: 137,521.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,104.81 : 241,644.74 = 99,653.31 : x
  2. Step 2: Convert to fraction form
    175,104.81/241,644.74 = 99,653.31/x
  3. Step 3: Cross multiply
    175,104.81x = 241,644.74 × 99,653.31
  4. Step 4: Simplify right side
    175,104.81x = 24,080,697,686.82
  5. Step 5: Solve for x
    x = 24,080,697,686.82/175,104.81
  6. Step 6: Final answer
    x = 137,521.62

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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.