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Finding the Fourth Proportional to 116,907.65, 161,332.52 and 63,192.63

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Solution

The fourth proportional to 116,907.65, 161,332.52 and 63,192.63 is: 87,205.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,907.65 : 161,332.52 = 63,192.63 : x
  2. Step 2: Convert to fraction form
    116,907.65/161,332.52 = 63,192.63/x
  3. Step 3: Cross multiply
    116,907.65x = 161,332.52 × 63,192.63
  4. Step 4: Simplify right side
    116,907.65x = 10,195,025,927.36
  5. Step 5: Solve for x
    x = 10,195,025,927.36/116,907.65
  6. Step 6: Final answer
    x = 87,205.81

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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.