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Finding the Fourth Proportional to 93,803.01, 129,449.58 and 51,365.49

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Solution

The fourth proportional to 93,803.01, 129,449.58 and 51,365.49 is: 70,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,803.01 : 129,449.58 = 51,365.49 : x
  2. Step 2: Convert to fraction form
    93,803.01/129,449.58 = 51,365.49/x
  3. Step 3: Cross multiply
    93,803.01x = 129,449.58 × 51,365.49
  4. Step 4: Simplify right side
    93,803.01x = 6,649,240,202.92
  5. Step 5: Solve for x
    x = 6,649,240,202.92/93,803.01
  6. Step 6: Final answer
    x = 70,885.15

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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.