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Finding the Fourth Proportional to 220,703.04, 304,571.52 and 120,101.76

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Solution

The fourth proportional to 220,703.04, 304,571.52 and 120,101.76 is: 165,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,703.04 : 304,571.52 = 120,101.76 : x
  2. Step 2: Convert to fraction form
    220,703.04/304,571.52 = 120,101.76/x
  3. Step 3: Cross multiply
    220,703.04x = 304,571.52 × 120,101.76
  4. Step 4: Simplify right side
    220,703.04x = 36,579,575,597.88
  5. Step 5: Solve for x
    x = 36,579,575,597.88/220,703.04
  6. Step 6: Final answer
    x = 165,741.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.