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Finding the Fourth Proportional to 157,482.42, 236,213.90 and 63,985.74

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Solution

The fourth proportional to 157,482.42, 236,213.90 and 63,985.74 is: 95,974.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,482.42 : 236,213.90 = 63,985.74 : x
  2. Step 2: Convert to fraction form
    157,482.42/236,213.90 = 63,985.74/x
  3. Step 3: Cross multiply
    157,482.42x = 236,213.90 × 63,985.74
  4. Step 4: Simplify right side
    157,482.42x = 15,114,321,189.79
  5. Step 5: Solve for x
    x = 15,114,321,189.79/157,482.42
  6. Step 6: Final answer
    x = 95,974.66

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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.