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Finding the Fourth Proportional to 93,122.09, 139,712.30 and 59,879.69

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Solution

The fourth proportional to 93,122.09, 139,712.30 and 59,879.69 is: 89,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,122.09 : 139,712.30 = 59,879.69 : x
  2. Step 2: Convert to fraction form
    93,122.09/139,712.30 = 59,879.69/x
  3. Step 3: Cross multiply
    93,122.09x = 139,712.30 × 59,879.69
  4. Step 4: Simplify right side
    93,122.09x = 8,365,929,213.19
  5. Step 5: Solve for x
    x = 8,365,929,213.19/93,122.09
  6. Step 6: Final answer
    x = 89,838.29

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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.