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Finding the Fourth Proportional to 175,145.31, 241,712.82 and 99,693.81

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Solution

The fourth proportional to 175,145.31, 241,712.82 and 99,693.81 is: 137,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,145.31 : 241,712.82 = 99,693.81 : x
  2. Step 2: Convert to fraction form
    175,145.31/241,712.82 = 99,693.81/x
  3. Step 3: Cross multiply
    175,145.31x = 241,712.82 × 99,693.81
  4. Step 4: Simplify right side
    175,145.31x = 24,097,271,951.64
  5. Step 5: Solve for x
    x = 24,097,271,951.64/175,145.31
  6. Step 6: Final answer
    x = 137,584.45

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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.