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Finding the Fourth Proportional to 164,547.62, 246,772.52 and 69,776.40

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Solution

The fourth proportional to 164,547.62, 246,772.52 and 69,776.40 is: 104,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,547.62 : 246,772.52 = 69,776.40 : x
  2. Step 2: Convert to fraction form
    164,547.62/246,772.52 = 69,776.40/x
  3. Step 3: Cross multiply
    164,547.62x = 246,772.52 × 69,776.40
  4. Step 4: Simplify right side
    164,547.62x = 17,218,897,715.65
  5. Step 5: Solve for x
    x = 17,218,897,715.65/164,547.62
  6. Step 6: Final answer
    x = 104,643.86

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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.