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Finding the Fourth Proportional to 145,804.48, 218,798.88 and 83,596.48

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Solution

The fourth proportional to 145,804.48, 218,798.88 and 83,596.48 is: 125,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,804.48 : 218,798.88 = 83,596.48 : x
  2. Step 2: Convert to fraction form
    145,804.48/218,798.88 = 83,596.48/x
  3. Step 3: Cross multiply
    145,804.48x = 218,798.88 × 83,596.48
  4. Step 4: Simplify right side
    145,804.48x = 18,290,816,195.94
  5. Step 5: Solve for x
    x = 18,290,816,195.94/145,804.48
  6. Step 6: Final answer
    x = 125,447.56

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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.