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Finding the Fourth Proportional to 93,910.76, 140,866.14 and 56,897

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Solution

The fourth proportional to 93,910.76, 140,866.14 and 56,897 is: 85,345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,910.76 : 140,866.14 = 56,897 : x
  2. Step 2: Convert to fraction form
    93,910.76/140,866.14 = 56,897/x
  3. Step 3: Cross multiply
    93,910.76x = 140,866.14 × 56,897
  4. Step 4: Simplify right side
    93,910.76x = 8,014,860,767.58
  5. Step 5: Solve for x
    x = 8,014,860,767.58/93,910.76
  6. Step 6: Final answer
    x = 85,345.50

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1.5x scale

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.