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Finding the Fourth Proportional to 252,407.78, 378,501.16 and 94,525.50

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Solution

The fourth proportional to 252,407.78, 378,501.16 and 94,525.50 is: 141,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,407.78 : 378,501.16 = 94,525.50 : x
  2. Step 2: Convert to fraction form
    252,407.78/378,501.16 = 94,525.50/x
  3. Step 3: Cross multiply
    252,407.78x = 378,501.16 × 94,525.50
  4. Step 4: Simplify right side
    252,407.78x = 35,778,011,399.58
  5. Step 5: Solve for x
    x = 35,778,011,399.58/252,407.78
  6. Step 6: Final answer
    x = 141,746.86

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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.