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Finding the Fourth Proportional to 144,262.86, 216,365.13 and 120,818.22

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Solution

The fourth proportional to 144,262.86, 216,365.13 and 120,818.22 is: 181,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,262.86 : 216,365.13 = 120,818.22 : x
  2. Step 2: Convert to fraction form
    144,262.86/216,365.13 = 120,818.22/x
  3. Step 3: Cross multiply
    144,262.86x = 216,365.13 × 120,818.22
  4. Step 4: Simplify right side
    144,262.86x = 26,140,849,876.67
  5. Step 5: Solve for x
    x = 26,140,849,876.67/144,262.86
  6. Step 6: Final answer
    x = 181,202.91

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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.