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Finding the Fourth Proportional to 117,097.94, 161,598.11 and 71,800.88

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Solution

The fourth proportional to 117,097.94, 161,598.11 and 71,800.88 is: 99,087.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,097.94 : 161,598.11 = 71,800.88 : x
  2. Step 2: Convert to fraction form
    117,097.94/161,598.11 = 71,800.88/x
  3. Step 3: Cross multiply
    117,097.94x = 161,598.11 × 71,800.88
  4. Step 4: Simplify right side
    117,097.94x = 11,602,886,852.15
  5. Step 5: Solve for x
    x = 11,602,886,852.15/117,097.94
  6. Step 6: Final answer
    x = 99,087.03

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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.