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Finding the Fourth Proportional to 169,661.70, 254,492.55 and 165,725.10

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Solution

The fourth proportional to 169,661.70, 254,492.55 and 165,725.10 is: 248,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,661.70 : 254,492.55 = 165,725.10 : x
  2. Step 2: Convert to fraction form
    169,661.70/254,492.55 = 165,725.10/x
  3. Step 3: Cross multiply
    169,661.70x = 254,492.55 × 165,725.10
  4. Step 4: Simplify right side
    169,661.70x = 42,175,803,298.01
  5. Step 5: Solve for x
    x = 42,175,803,298.01/169,661.70
  6. Step 6: Final answer
    x = 248,587.65

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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.