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Finding the Fourth Proportional to 170,409.60, 235,166.04 and 97,806.60

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Solution

The fourth proportional to 170,409.60, 235,166.04 and 97,806.60 is: 134,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,409.60 : 235,166.04 = 97,806.60 : x
  2. Step 2: Convert to fraction form
    170,409.60/235,166.04 = 97,806.60/x
  3. Step 3: Cross multiply
    170,409.60x = 235,166.04 × 97,806.60
  4. Step 4: Simplify right side
    170,409.60x = 23,000,790,807.86
  5. Step 5: Solve for x
    x = 23,000,790,807.86/170,409.60
  6. Step 6: Final answer
    x = 134,973.56

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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.