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Finding the Fourth Proportional to 164,547.87, 246,772.88 and 69,776.65

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Solution

The fourth proportional to 164,547.87, 246,772.88 and 69,776.65 is: 104,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,547.87 : 246,772.88 = 69,776.65 : x
  2. Step 2: Convert to fraction form
    164,547.87/246,772.88 = 69,776.65/x
  3. Step 3: Cross multiply
    164,547.87x = 246,772.88 × 69,776.65
  4. Step 4: Simplify right side
    164,547.87x = 17,218,984,877.25
  5. Step 5: Solve for x
    x = 17,218,984,877.25/164,547.87
  6. Step 6: Final answer
    x = 104,644.23

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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.