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Finding the Fourth Proportional to 169,666.70, 254,500.05 and 165,730.10

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Solution

The fourth proportional to 169,666.70, 254,500.05 and 165,730.10 is: 248,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,666.70 : 254,500.05 = 165,730.10 : x
  2. Step 2: Convert to fraction form
    169,666.70/254,500.05 = 165,730.10/x
  3. Step 3: Cross multiply
    169,666.70x = 254,500.05 × 165,730.10
  4. Step 4: Simplify right side
    169,666.70x = 42,178,318,736.51
  5. Step 5: Solve for x
    x = 42,178,318,736.51/169,666.70
  6. Step 6: Final answer
    x = 248,595.15

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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.