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Finding the Fourth Proportional to 352,053.31, 528,024.13 and 112,136.08

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Solution

The fourth proportional to 352,053.31, 528,024.13 and 112,136.08 is: 168,186.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,053.31 : 528,024.13 = 112,136.08 : x
  2. Step 2: Convert to fraction form
    352,053.31/528,024.13 = 112,136.08/x
  3. Step 3: Cross multiply
    352,053.31x = 528,024.13 × 112,136.08
  4. Step 4: Simplify right side
    352,053.31x = 59,210,556,083.61
  5. Step 5: Solve for x
    x = 59,210,556,083.61/352,053.31
  6. Step 6: Final answer
    x = 168,186.34

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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.