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Finding the Fourth Proportional to 93,434.46, 128,868.21 and 59,448.48

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Solution

The fourth proportional to 93,434.46, 128,868.21 and 59,448.48 is: 81,993.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,434.46 : 128,868.21 = 59,448.48 : x
  2. Step 2: Convert to fraction form
    93,434.46/128,868.21 = 59,448.48/x
  3. Step 3: Cross multiply
    93,434.46x = 128,868.21 × 59,448.48
  4. Step 4: Simplify right side
    93,434.46x = 7,661,019,204.82
  5. Step 5: Solve for x
    x = 7,661,019,204.82/93,434.46
  6. Step 6: Final answer
    x = 81,993.51

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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.