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Finding the Fourth Proportional to 133,210.23, 183,799.83 and 79,484.82

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Solution

The fourth proportional to 133,210.23, 183,799.83 and 79,484.82 is: 109,670.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,210.23 : 183,799.83 = 79,484.82 : x
  2. Step 2: Convert to fraction form
    133,210.23/183,799.83 = 79,484.82/x
  3. Step 3: Cross multiply
    133,210.23x = 183,799.83 × 79,484.82
  4. Step 4: Simplify right side
    133,210.23x = 14,609,296,403.58
  5. Step 5: Solve for x
    x = 14,609,296,403.58/133,210.23
  6. Step 6: Final answer
    x = 109,670.98

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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.