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Finding the Fourth Proportional to 162,858.30, 244,287.45 and 135,210.30

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Solution

The fourth proportional to 162,858.30, 244,287.45 and 135,210.30 is: 202,815.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,858.30 : 244,287.45 = 135,210.30 : x
  2. Step 2: Convert to fraction form
    162,858.30/244,287.45 = 135,210.30/x
  3. Step 3: Cross multiply
    162,858.30x = 244,287.45 × 135,210.30
  4. Step 4: Simplify right side
    162,858.30x = 33,030,179,400.74
  5. Step 5: Solve for x
    x = 33,030,179,400.74/162,858.30
  6. Step 6: Final answer
    x = 202,815.45

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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.