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Finding the Fourth Proportional to 150,597.60, 207,822.75 and 86,066.11

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Solution

The fourth proportional to 150,597.60, 207,822.75 and 86,066.11 is: 118,770.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,597.60 : 207,822.75 = 86,066.11 : x
  2. Step 2: Convert to fraction form
    150,597.60/207,822.75 = 86,066.11/x
  3. Step 3: Cross multiply
    150,597.60x = 207,822.75 × 86,066.11
  4. Step 4: Simplify right side
    150,597.60x = 17,886,495,662.00
  5. Step 5: Solve for x
    x = 17,886,495,662.00/150,597.60
  6. Step 6: Final answer
    x = 118,770.12

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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.