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Finding the Fourth Proportional to 93,608.64, 140,339.52 and 46,892.16

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Solution

The fourth proportional to 93,608.64, 140,339.52 and 46,892.16 is: 70,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,608.64 : 140,339.52 = 46,892.16 : x
  2. Step 2: Convert to fraction form
    93,608.64/140,339.52 = 46,892.16/x
  3. Step 3: Cross multiply
    93,608.64x = 140,339.52 × 46,892.16
  4. Step 4: Simplify right side
    93,608.64x = 6,580,823,226.16
  5. Step 5: Solve for x
    x = 6,580,823,226.16/93,608.64
  6. Step 6: Final answer
    x = 70,301.45

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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.