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Finding the Fourth Proportional to 172,415.58, 237,798.51 and 117,999.96

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Solution

The fourth proportional to 172,415.58, 237,798.51 and 117,999.96 is: 162,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,415.58 : 237,798.51 = 117,999.96 : x
  2. Step 2: Convert to fraction form
    172,415.58/237,798.51 = 117,999.96/x
  3. Step 3: Cross multiply
    172,415.58x = 237,798.51 × 117,999.96
  4. Step 4: Simplify right side
    172,415.58x = 28,060,214,668.06
  5. Step 5: Solve for x
    x = 28,060,214,668.06/172,415.58
  6. Step 6: Final answer
    x = 162,747.56

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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.