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Finding the Fourth Proportional to 148,804.40, 223,206.60 and 86,596.40

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Solution

The fourth proportional to 148,804.40, 223,206.60 and 86,596.40 is: 129,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,804.40 : 223,206.60 = 86,596.40 : x
  2. Step 2: Convert to fraction form
    148,804.40/223,206.60 = 86,596.40/x
  3. Step 3: Cross multiply
    148,804.40x = 223,206.60 × 86,596.40
  4. Step 4: Simplify right side
    148,804.40x = 19,328,888,016.24
  5. Step 5: Solve for x
    x = 19,328,888,016.24/148,804.40
  6. Step 6: Final answer
    x = 129,894.60

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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.