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Finding the Fourth Proportional to 152,007.58, 209,769.96 and 84,939.58

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Solution

The fourth proportional to 152,007.58, 209,769.96 and 84,939.58 is: 117,216.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,007.58 : 209,769.96 = 84,939.58 : x
  2. Step 2: Convert to fraction form
    152,007.58/209,769.96 = 84,939.58/x
  3. Step 3: Cross multiply
    152,007.58x = 209,769.96 × 84,939.58
  4. Step 4: Simplify right side
    152,007.58x = 17,817,772,299.02
  5. Step 5: Solve for x
    x = 17,817,772,299.02/152,007.58
  6. Step 6: Final answer
    x = 117,216.34

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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.