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Finding the Fourth Proportional to 93,130.92, 128,523.22 and 52,846.36

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Solution

The fourth proportional to 93,130.92, 128,523.22 and 52,846.36 is: 72,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,130.92 : 128,523.22 = 52,846.36 : x
  2. Step 2: Convert to fraction form
    93,130.92/128,523.22 = 52,846.36/x
  3. Step 3: Cross multiply
    93,130.92x = 128,523.22 × 52,846.36
  4. Step 4: Simplify right side
    93,130.92x = 6,791,984,352.48
  5. Step 5: Solve for x
    x = 6,791,984,352.48/93,130.92
  6. Step 6: Final answer
    x = 72,929.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.