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Finding the Fourth Proportional to 157,364.85, 236,145.69 and 63,870.60

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Solution

The fourth proportional to 157,364.85, 236,145.69 and 63,870.60 is: 95,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,364.85 : 236,145.69 = 63,870.60 : x
  2. Step 2: Convert to fraction form
    157,364.85/236,145.69 = 63,870.60/x
  3. Step 3: Cross multiply
    157,364.85x = 236,145.69 × 63,870.60
  4. Step 4: Simplify right side
    157,364.85x = 15,082,766,907.71
  5. Step 5: Solve for x
    x = 15,082,766,907.71/157,364.85
  6. Step 6: Final answer
    x = 95,845.84

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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.