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Finding the Fourth Proportional to 229,858.80, 317,242.88 and 134,346.84

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Solution

The fourth proportional to 229,858.80, 317,242.88 and 134,346.84 is: 185,420.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,858.80 : 317,242.88 = 134,346.84 : x
  2. Step 2: Convert to fraction form
    229,858.80/317,242.88 = 134,346.84/x
  3. Step 3: Cross multiply
    229,858.80x = 317,242.88 × 134,346.84
  4. Step 4: Simplify right side
    229,858.80x = 42,620,578,440.50
  5. Step 5: Solve for x
    x = 42,620,578,440.50/229,858.80
  6. Step 6: Final answer
    x = 185,420.69

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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.