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Finding the Fourth Proportional to 157,285.70, 236,030.00 and 57,437.54

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Solution

The fourth proportional to 157,285.70, 236,030.00 and 57,437.54 is: 86,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,285.70 : 236,030.00 = 57,437.54 : x
  2. Step 2: Convert to fraction form
    157,285.70/236,030.00 = 57,437.54/x
  3. Step 3: Cross multiply
    157,285.70x = 236,030.00 × 57,437.54
  4. Step 4: Simplify right side
    157,285.70x = 13,556,981,098.86
  5. Step 5: Solve for x
    x = 13,556,981,098.86/157,285.70
  6. Step 6: Final answer
    x = 86,193.35

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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.