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Finding the Fourth Proportional to 119,051.92, 178,547.82 and 44,130.88

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Solution

The fourth proportional to 119,051.92, 178,547.82 and 44,130.88 is: 66,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,051.92 : 178,547.82 = 44,130.88 : x
  2. Step 2: Convert to fraction form
    119,051.92/178,547.82 = 44,130.88/x
  3. Step 3: Cross multiply
    119,051.92x = 178,547.82 × 44,130.88
  4. Step 4: Simplify right side
    119,051.92x = 7,879,472,418.68
  5. Step 5: Solve for x
    x = 7,879,472,418.68/119,051.92
  6. Step 6: Final answer
    x = 66,185.18

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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.