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Finding the Fourth Proportional to 93,554.70, 129,105.41 and 51,113.22

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Solution

The fourth proportional to 93,554.70, 129,105.41 and 51,113.22 is: 70,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,554.70 : 129,105.41 = 51,113.22 : x
  2. Step 2: Convert to fraction form
    93,554.70/129,105.41 = 51,113.22/x
  3. Step 3: Cross multiply
    93,554.70x = 129,105.41 × 51,113.22
  4. Step 4: Simplify right side
    93,554.70x = 6,598,992,968.95
  5. Step 5: Solve for x
    x = 6,598,992,968.95/93,554.70
  6. Step 6: Final answer
    x = 70,536.20

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Double scale
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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.