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Finding the Fourth Proportional to 253,407.11, 349,602.32 and 162,750.48

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Solution

The fourth proportional to 253,407.11, 349,602.32 and 162,750.48 is: 224,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,407.11 : 349,602.32 = 162,750.48 : x
  2. Step 2: Convert to fraction form
    253,407.11/349,602.32 = 162,750.48/x
  3. Step 3: Cross multiply
    253,407.11x = 349,602.32 × 162,750.48
  4. Step 4: Simplify right side
    253,407.11x = 56,897,944,575.36
  5. Step 5: Solve for x
    x = 56,897,944,575.36/253,407.11
  6. Step 6: Final answer
    x = 224,531.77

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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.