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Finding the Fourth Proportional to 183,528, 253,272.48 and 104,040

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Solution

The fourth proportional to 183,528, 253,272.48 and 104,040 is: 143,577.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,528 : 253,272.48 = 104,040 : x
  2. Step 2: Convert to fraction form
    183,528/253,272.48 = 104,040/x
  3. Step 3: Cross multiply
    183,528x = 253,272.48 × 104,040
  4. Step 4: Simplify right side
    183,528x = 26,350,468,819.20
  5. Step 5: Solve for x
    x = 26,350,468,819.20/183,528
  6. Step 6: Final answer
    x = 143,577.38

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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.