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Finding the Fourth Proportional to 93,192.28, 139,810.28 and 30,862.80

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Solution

The fourth proportional to 93,192.28, 139,810.28 and 30,862.80 is: 46,301.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,192.28 : 139,810.28 = 30,862.80 : x
  2. Step 2: Convert to fraction form
    93,192.28/139,810.28 = 30,862.80/x
  3. Step 3: Cross multiply
    93,192.28x = 139,810.28 × 30,862.80
  4. Step 4: Simplify right side
    93,192.28x = 4,314,936,709.58
  5. Step 5: Solve for x
    x = 4,314,936,709.58/93,192.28
  6. Step 6: Final answer
    x = 46,301.44

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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.