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Finding the Fourth Proportional to 222,853.69, 307,505.59 and 127,341.93

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Solution

The fourth proportional to 222,853.69, 307,505.59 and 127,341.93 is: 175,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,853.69 : 307,505.59 = 127,341.93 : x
  2. Step 2: Convert to fraction form
    222,853.69/307,505.59 = 127,341.93/x
  3. Step 3: Cross multiply
    222,853.69x = 307,505.59 × 127,341.93
  4. Step 4: Simplify right side
    222,853.69x = 39,158,355,316.39
  5. Step 5: Solve for x
    x = 39,158,355,316.39/222,853.69
  6. Step 6: Final answer
    x = 175,713.29

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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.