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Finding the Fourth Proportional to 93,160.84, 128,540.10 and 52,865.48

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Solution

The fourth proportional to 93,160.84, 128,540.10 and 52,865.48 is: 72,941.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,160.84 : 128,540.10 = 52,865.48 : x
  2. Step 2: Convert to fraction form
    93,160.84/128,540.10 = 52,865.48/x
  3. Step 3: Cross multiply
    93,160.84x = 128,540.10 × 52,865.48
  4. Step 4: Simplify right side
    93,160.84x = 6,795,334,085.75
  5. Step 5: Solve for x
    x = 6,795,334,085.75/93,160.84
  6. Step 6: Final answer
    x = 72,941.96

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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.