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Finding the Fourth Proportional to 164,547, 246,821.94 and 39,888

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Solution

The fourth proportional to 164,547, 246,821.94 and 39,888 is: 59,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,547 : 246,821.94 = 39,888 : x
  2. Step 2: Convert to fraction form
    164,547/246,821.94 = 39,888/x
  3. Step 3: Cross multiply
    164,547x = 246,821.94 × 39,888
  4. Step 4: Simplify right side
    164,547x = 9,845,233,542.72
  5. Step 5: Solve for x
    x = 9,845,233,542.72/164,547
  6. Step 6: Final answer
    x = 59,832.35

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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.