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Finding the Fourth Proportional to 312,059.49, 467,808.26 and 112,239.42

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Solution

The fourth proportional to 312,059.49, 467,808.26 and 112,239.42 is: 168,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,059.49 : 467,808.26 = 112,239.42 : x
  2. Step 2: Convert to fraction form
    312,059.49/467,808.26 = 112,239.42/x
  3. Step 3: Cross multiply
    312,059.49x = 467,808.26 × 112,239.42
  4. Step 4: Simplify right side
    312,059.49x = 52,506,528,720.90
  5. Step 5: Solve for x
    x = 52,506,528,720.90/312,059.49
  6. Step 6: Final answer
    x = 168,258.08

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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.