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Finding the Fourth Proportional to 144,238.83, 216,378.72 and 44,407.32

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Solution

The fourth proportional to 144,238.83, 216,378.72 and 44,407.32 is: 66,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,238.83 : 216,378.72 = 44,407.32 : x
  2. Step 2: Convert to fraction form
    144,238.83/216,378.72 = 44,407.32/x
  3. Step 3: Cross multiply
    144,238.83x = 216,378.72 × 44,407.32
  4. Step 4: Simplify right side
    144,238.83x = 9,608,799,060.23
  5. Step 5: Solve for x
    x = 9,608,799,060.23/144,238.83
  6. Step 6: Final answer
    x = 66,617.28

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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.