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Finding the Fourth Proportional to 117,598.16, 161,811.24 and 114,798.80

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Solution

The fourth proportional to 117,598.16, 161,811.24 and 114,798.80 is: 157,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,598.16 : 161,811.24 = 114,798.80 : x
  2. Step 2: Convert to fraction form
    117,598.16/161,811.24 = 114,798.80/x
  3. Step 3: Cross multiply
    117,598.16x = 161,811.24 × 114,798.80
  4. Step 4: Simplify right side
    117,598.16x = 18,575,736,178.51
  5. Step 5: Solve for x
    x = 18,575,736,178.51/117,598.16
  6. Step 6: Final answer
    x = 157,959.41

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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.