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Finding the Fourth Proportional to 172,094.88, 258,208.53 and 83,341.56

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Solution

The fourth proportional to 172,094.88, 258,208.53 and 83,341.56 is: 125,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,094.88 : 258,208.53 = 83,341.56 : x
  2. Step 2: Convert to fraction form
    172,094.88/258,208.53 = 83,341.56/x
  3. Step 3: Cross multiply
    172,094.88x = 258,208.53 × 83,341.56
  4. Step 4: Simplify right side
    172,094.88x = 21,519,501,695.51
  5. Step 5: Solve for x
    x = 21,519,501,695.51/172,094.88
  6. Step 6: Final answer
    x = 125,044.40

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1.5x scale

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.