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Finding the Fourth Proportional to 93,191.88, 139,787.16 and 55,762.38

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Solution

The fourth proportional to 93,191.88, 139,787.16 and 55,762.38 is: 83,643.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,191.88 : 139,787.16 = 55,762.38 : x
  2. Step 2: Convert to fraction form
    93,191.88/139,787.16 = 55,762.38/x
  3. Step 3: Cross multiply
    93,191.88x = 139,787.16 × 55,762.38
  4. Step 4: Simplify right side
    93,191.88x = 7,794,864,735.04
  5. Step 5: Solve for x
    x = 7,794,864,735.04/93,191.88
  6. Step 6: Final answer
    x = 83,643.18

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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.