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Finding the Fourth Proportional to 229,509.60, 344,264.64 and 71,738.88

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Solution

The fourth proportional to 229,509.60, 344,264.64 and 71,738.88 is: 107,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,509.60 : 344,264.64 = 71,738.88 : x
  2. Step 2: Convert to fraction form
    229,509.60/344,264.64 = 71,738.88/x
  3. Step 3: Cross multiply
    229,509.60x = 344,264.64 × 71,738.88
  4. Step 4: Simplify right side
    229,509.60x = 24,697,159,697.20
  5. Step 5: Solve for x
    x = 24,697,159,697.20/229,509.60
  6. Step 6: Final answer
    x = 107,608.40

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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.