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Finding the Fourth Proportional to 93,322.08, 139,892.40 and 46,432.80

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Solution

The fourth proportional to 93,322.08, 139,892.40 and 46,432.80 is: 69,604.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,322.08 : 139,892.40 = 46,432.80 : x
  2. Step 2: Convert to fraction form
    93,322.08/139,892.40 = 46,432.80/x
  3. Step 3: Cross multiply
    93,322.08x = 139,892.40 × 46,432.80
  4. Step 4: Simplify right side
    93,322.08x = 6,495,595,830.72
  5. Step 5: Solve for x
    x = 6,495,595,830.72/93,322.08
  6. Step 6: Final answer
    x = 69,604.06

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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.