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Finding the Fourth Proportional to 164,547.21, 246,820.77 and 39,888.21

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Solution

The fourth proportional to 164,547.21, 246,820.77 and 39,888.21 is: 59,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,547.21 : 246,820.77 = 39,888.21 : x
  2. Step 2: Convert to fraction form
    164,547.21/246,820.77 = 39,888.21/x
  3. Step 3: Cross multiply
    164,547.21x = 246,820.77 × 39,888.21
  4. Step 4: Simplify right side
    164,547.21x = 9,845,238,706.12
  5. Step 5: Solve for x
    x = 9,845,238,706.12/164,547.21
  6. Step 6: Final answer
    x = 59,832.30

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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.