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Finding the Fourth Proportional to 157,577.92, 236,310.72 and 52,368.64

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Solution

The fourth proportional to 157,577.92, 236,310.72 and 52,368.64 is: 78,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,577.92 : 236,310.72 = 52,368.64 : x
  2. Step 2: Convert to fraction form
    157,577.92/236,310.72 = 52,368.64/x
  3. Step 3: Cross multiply
    157,577.92x = 236,310.72 × 52,368.64
  4. Step 4: Simplify right side
    157,577.92x = 12,375,271,023.82
  5. Step 5: Solve for x
    x = 12,375,271,023.82/157,577.92
  6. Step 6: Final answer
    x = 78,534.30

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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.