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Finding the Fourth Proportional to 93,506.54, 129,039.50 and 51,065.08

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Solution

The fourth proportional to 93,506.54, 129,039.50 and 51,065.08 is: 70,470.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,506.54 : 129,039.50 = 51,065.08 : x
  2. Step 2: Convert to fraction form
    93,506.54/129,039.50 = 51,065.08/x
  3. Step 3: Cross multiply
    93,506.54x = 129,039.50 × 51,065.08
  4. Step 4: Simplify right side
    93,506.54x = 6,589,412,195.72
  5. Step 5: Solve for x
    x = 6,589,412,195.72/93,506.54
  6. Step 6: Final answer
    x = 70,470.07

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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.