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Finding the Fourth Proportional to 157,358.88, 235,948.32 and 73,075.68

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Solution

The fourth proportional to 157,358.88, 235,948.32 and 73,075.68 is: 109,571.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,358.88 : 235,948.32 = 73,075.68 : x
  2. Step 2: Convert to fraction form
    157,358.88/235,948.32 = 73,075.68/x
  3. Step 3: Cross multiply
    157,358.88x = 235,948.32 × 73,075.68
  4. Step 4: Simplify right side
    157,358.88x = 17,242,083,928.86
  5. Step 5: Solve for x
    x = 17,242,083,928.86/157,358.88
  6. Step 6: Final answer
    x = 109,571.73

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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.