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Finding the Fourth Proportional to 225,888.04, 311,762.82 and 125,318.44

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Solution

The fourth proportional to 225,888.04, 311,762.82 and 125,318.44 is: 172,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,888.04 : 311,762.82 = 125,318.44 : x
  2. Step 2: Convert to fraction form
    225,888.04/311,762.82 = 125,318.44/x
  3. Step 3: Cross multiply
    225,888.04x = 311,762.82 × 125,318.44
  4. Step 4: Simplify right side
    225,888.04x = 39,069,630,252.40
  5. Step 5: Solve for x
    x = 39,069,630,252.40/225,888.04
  6. Step 6: Final answer
    x = 172,960.15

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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.