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Finding the Fourth Proportional to 178,149.36, 245,850.06 and 101,666.91

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Solution

The fourth proportional to 178,149.36, 245,850.06 and 101,666.91 is: 140,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,149.36 : 245,850.06 = 101,666.91 : x
  2. Step 2: Convert to fraction form
    178,149.36/245,850.06 = 101,666.91/x
  3. Step 3: Cross multiply
    178,149.36x = 245,850.06 × 101,666.91
  4. Step 4: Simplify right side
    178,149.36x = 24,994,815,923.51
  5. Step 5: Solve for x
    x = 24,994,815,923.51/178,149.36
  6. Step 6: Final answer
    x = 140,302.59

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1.5x scale

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.