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Finding the Fourth Proportional to 93,064, 139,640.80 and 46,320.96

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Solution

The fourth proportional to 93,064, 139,640.80 and 46,320.96 is: 69,503.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,064 : 139,640.80 = 46,320.96 : x
  2. Step 2: Convert to fraction form
    93,064/139,640.80 = 46,320.96/x
  3. Step 3: Cross multiply
    93,064x = 139,640.80 × 46,320.96
  4. Step 4: Simplify right side
    93,064x = 6,468,295,911.17
  5. Step 5: Solve for x
    x = 6,468,295,911.17/93,064
  6. Step 6: Final answer
    x = 69,503.74

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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.