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Finding the Fourth Proportional to 93,993.32, 129,710.96 and 53,706.96

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Solution

The fourth proportional to 93,993.32, 129,710.96 and 53,706.96 is: 74,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,993.32 : 129,710.96 = 53,706.96 : x
  2. Step 2: Convert to fraction form
    93,993.32/129,710.96 = 53,706.96/x
  3. Step 3: Cross multiply
    93,993.32x = 129,710.96 × 53,706.96
  4. Step 4: Simplify right side
    93,993.32x = 6,966,381,340.28
  5. Step 5: Solve for x
    x = 6,966,381,340.28/93,993.32
  6. Step 6: Final answer
    x = 74,115.71

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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.