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Finding the Fourth Proportional to 93,967.32, 129,680.85 and 62,080.32

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Solution

The fourth proportional to 93,967.32, 129,680.85 and 62,080.32 is: 85,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,967.32 : 129,680.85 = 62,080.32 : x
  2. Step 2: Convert to fraction form
    93,967.32/129,680.85 = 62,080.32/x
  3. Step 3: Cross multiply
    93,967.32x = 129,680.85 × 62,080.32
  4. Step 4: Simplify right side
    93,967.32x = 8,050,628,665.87
  5. Step 5: Solve for x
    x = 8,050,628,665.87/93,967.32
  6. Step 6: Final answer
    x = 85,674.77

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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.