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Finding the Fourth Proportional to 127,064.84, 175,370.47 and 70,494.44

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Solution

The fourth proportional to 127,064.84, 175,370.47 and 70,494.44 is: 97,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,064.84 : 175,370.47 = 70,494.44 : x
  2. Step 2: Convert to fraction form
    127,064.84/175,370.47 = 70,494.44/x
  3. Step 3: Cross multiply
    127,064.84x = 175,370.47 × 70,494.44
  4. Step 4: Simplify right side
    127,064.84x = 12,362,642,022.10
  5. Step 5: Solve for x
    x = 12,362,642,022.10/127,064.84
  6. Step 6: Final answer
    x = 97,293.97

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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.