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Finding the Fourth Proportional to 93,136.64, 139,728.53 and 26,577

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Solution

The fourth proportional to 93,136.64, 139,728.53 and 26,577 is: 39,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,136.64 : 139,728.53 = 26,577 : x
  2. Step 2: Convert to fraction form
    93,136.64/139,728.53 = 26,577/x
  3. Step 3: Cross multiply
    93,136.64x = 139,728.53 × 26,577
  4. Step 4: Simplify right side
    93,136.64x = 3,713,565,208.25
  5. Step 5: Solve for x
    x = 3,713,565,208.25/93,136.64
  6. Step 6: Final answer
    x = 39,872.23

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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.