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Finding the Fourth Proportional to 154,807.86, 232,206.92 and 43,999.86

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Solution

The fourth proportional to 154,807.86, 232,206.92 and 43,999.86 is: 65,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,807.86 : 232,206.92 = 43,999.86 : x
  2. Step 2: Convert to fraction form
    154,807.86/232,206.92 = 43,999.86/x
  3. Step 3: Cross multiply
    154,807.86x = 232,206.92 × 43,999.86
  4. Step 4: Simplify right side
    154,807.86x = 10,217,071,971.03
  5. Step 5: Solve for x
    x = 10,217,071,971.03/154,807.86
  6. Step 6: Final answer
    x = 65,998.41

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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.