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Finding the Fourth Proportional to 172,557.81, 238,127.87 and 96,075.23

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Solution

The fourth proportional to 172,557.81, 238,127.87 and 96,075.23 is: 132,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,557.81 : 238,127.87 = 96,075.23 : x
  2. Step 2: Convert to fraction form
    172,557.81/238,127.87 = 96,075.23/x
  3. Step 3: Cross multiply
    172,557.81x = 238,127.87 × 96,075.23
  4. Step 4: Simplify right side
    172,557.81x = 22,878,188,929.21
  5. Step 5: Solve for x
    x = 22,878,188,929.21/172,557.81
  6. Step 6: Final answer
    x = 132,582.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.