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Finding the Fourth Proportional to 229,873.60, 344,810.40 and 72,101.80

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Solution

The fourth proportional to 229,873.60, 344,810.40 and 72,101.80 is: 108,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,873.60 : 344,810.40 = 72,101.80 : x
  2. Step 2: Convert to fraction form
    229,873.60/344,810.40 = 72,101.80/x
  3. Step 3: Cross multiply
    229,873.60x = 344,810.40 × 72,101.80
  4. Step 4: Simplify right side
    229,873.60x = 24,861,450,498.72
  5. Step 5: Solve for x
    x = 24,861,450,498.72/229,873.60
  6. Step 6: Final answer
    x = 108,152.70

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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.