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Finding the Fourth Proportional to 96,547.69, 144,855.56 and 43,235.31

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Solution

The fourth proportional to 96,547.69, 144,855.56 and 43,235.31 is: 64,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,547.69 : 144,855.56 = 43,235.31 : x
  2. Step 2: Convert to fraction form
    96,547.69/144,855.56 = 43,235.31/x
  3. Step 3: Cross multiply
    96,547.69x = 144,855.56 × 43,235.31
  4. Step 4: Simplify right side
    96,547.69x = 6,262,874,825.65
  5. Step 5: Solve for x
    x = 6,262,874,825.65/96,547.69
  6. Step 6: Final answer
    x = 64,868.20

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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.