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Finding the Fourth Proportional to 145,804.92, 218,707.39 and 34,996.92

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Solution

The fourth proportional to 145,804.92, 218,707.39 and 34,996.92 is: 52,495.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,804.92 : 218,707.39 = 34,996.92 : x
  2. Step 2: Convert to fraction form
    145,804.92/218,707.39 = 34,996.92/x
  3. Step 3: Cross multiply
    145,804.92x = 218,707.39 × 34,996.92
  4. Step 4: Simplify right side
    145,804.92x = 7,654,085,288.20
  5. Step 5: Solve for x
    x = 7,654,085,288.20/145,804.92
  6. Step 6: Final answer
    x = 52,495.38

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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.