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Finding the Fourth Proportional to 163,009.80, 244,368.90 and 106,876.80

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Solution

The fourth proportional to 163,009.80, 244,368.90 and 106,876.80 is: 160,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,009.80 : 244,368.90 = 106,876.80 : x
  2. Step 2: Convert to fraction form
    163,009.80/244,368.90 = 106,876.80/x
  3. Step 3: Cross multiply
    163,009.80x = 244,368.90 × 106,876.80
  4. Step 4: Simplify right side
    163,009.80x = 26,117,366,051.52
  5. Step 5: Solve for x
    x = 26,117,366,051.52/163,009.80
  6. Step 6: Final answer
    x = 160,219.61

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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.