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Finding the Fourth Proportional to 155,524, 233,320.56 and 57,028

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Solution

The fourth proportional to 155,524, 233,320.56 and 57,028 is: 85,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,524 : 233,320.56 = 57,028 : x
  2. Step 2: Convert to fraction form
    155,524/233,320.56 = 57,028/x
  3. Step 3: Cross multiply
    155,524x = 233,320.56 × 57,028
  4. Step 4: Simplify right side
    155,524x = 13,305,804,895.68
  5. Step 5: Solve for x
    x = 13,305,804,895.68/155,524
  6. Step 6: Final answer
    x = 85,554.67

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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.