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Finding the Fourth Proportional to 117,053.84, 161,533.12 and 63,337.68

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Solution

The fourth proportional to 117,053.84, 161,533.12 and 63,337.68 is: 87,405.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,053.84 : 161,533.12 = 63,337.68 : x
  2. Step 2: Convert to fraction form
    117,053.84/161,533.12 = 63,337.68/x
  3. Step 3: Cross multiply
    117,053.84x = 161,533.12 × 63,337.68
  4. Step 4: Simplify right side
    117,053.84x = 10,231,133,063.96
  5. Step 5: Solve for x
    x = 10,231,133,063.96/117,053.84
  6. Step 6: Final answer
    x = 87,405.36

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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.