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Finding the Fourth Proportional to 93,825.40, 129,479.10 and 50,804.90

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Solution

The fourth proportional to 93,825.40, 129,479.10 and 50,804.90 is: 70,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,825.40 : 129,479.10 = 50,804.90 : x
  2. Step 2: Convert to fraction form
    93,825.40/129,479.10 = 50,804.90/x
  3. Step 3: Cross multiply
    93,825.40x = 129,479.10 × 50,804.90
  4. Step 4: Simplify right side
    93,825.40x = 6,578,172,727.59
  5. Step 5: Solve for x
    x = 6,578,172,727.59/93,825.40
  6. Step 6: Final answer
    x = 70,110.79

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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.