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Finding the Fourth Proportional to 111,569.60, 167,354.40 and 64,942.40

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Solution

The fourth proportional to 111,569.60, 167,354.40 and 64,942.40 is: 97,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,569.60 : 167,354.40 = 64,942.40 : x
  2. Step 2: Convert to fraction form
    111,569.60/167,354.40 = 64,942.40/x
  3. Step 3: Cross multiply
    111,569.60x = 167,354.40 × 64,942.40
  4. Step 4: Simplify right side
    111,569.60x = 10,868,396,386.56
  5. Step 5: Solve for x
    x = 10,868,396,386.56/111,569.60
  6. Step 6: Final answer
    x = 97,413.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.