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Finding the Fourth Proportional to 248,750.70, 343,004.94 and 168,038.16

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Solution

The fourth proportional to 248,750.70, 343,004.94 and 168,038.16 is: 231,709.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,750.70 : 343,004.94 = 168,038.16 : x
  2. Step 2: Convert to fraction form
    248,750.70/343,004.94 = 168,038.16/x
  3. Step 3: Cross multiply
    248,750.70x = 343,004.94 × 168,038.16
  4. Step 4: Simplify right side
    248,750.70x = 57,637,918,988.51
  5. Step 5: Solve for x
    x = 57,637,918,988.51/248,750.70
  6. Step 6: Final answer
    x = 231,709.58

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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.