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Finding the Fourth Proportional to 93,594.72, 140,418.16 and 52,070.88

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Solution

The fourth proportional to 93,594.72, 140,418.16 and 52,070.88 is: 78,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,594.72 : 140,418.16 = 52,070.88 : x
  2. Step 2: Convert to fraction form
    93,594.72/140,418.16 = 52,070.88/x
  3. Step 3: Cross multiply
    93,594.72x = 140,418.16 × 52,070.88
  4. Step 4: Simplify right side
    93,594.72x = 7,311,697,159.18
  5. Step 5: Solve for x
    x = 7,311,697,159.18/93,594.72
  6. Step 6: Final answer
    x = 78,120.83

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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.