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Finding the Fourth Proportional to 172,675.53, 238,309.29 and 101,051.28

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Solution

The fourth proportional to 172,675.53, 238,309.29 and 101,051.28 is: 139,460.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,675.53 : 238,309.29 = 101,051.28 : x
  2. Step 2: Convert to fraction form
    172,675.53/238,309.29 = 101,051.28/x
  3. Step 3: Cross multiply
    172,675.53x = 238,309.29 × 101,051.28
  4. Step 4: Simplify right side
    172,675.53x = 24,081,458,790.39
  5. Step 5: Solve for x
    x = 24,081,458,790.39/172,675.53
  6. Step 6: Final answer
    x = 139,460.75

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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.