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Finding the Fourth Proportional to 126,053.63, 173,957.65 and 69,468.65

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Solution

The fourth proportional to 126,053.63, 173,957.65 and 69,468.65 is: 95,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,053.63 : 173,957.65 = 69,468.65 : x
  2. Step 2: Convert to fraction form
    126,053.63/173,957.65 = 69,468.65/x
  3. Step 3: Cross multiply
    126,053.63x = 173,957.65 × 69,468.65
  4. Step 4: Simplify right side
    126,053.63x = 12,084,602,059.21
  5. Step 5: Solve for x
    x = 12,084,602,059.21/126,053.63
  6. Step 6: Final answer
    x = 95,868.74

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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.