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Finding the Fourth Proportional to 152,313.60, 228,308.40 and 73,376.40

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Solution

The fourth proportional to 152,313.60, 228,308.40 and 73,376.40 is: 109,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,313.60 : 228,308.40 = 73,376.40 : x
  2. Step 2: Convert to fraction form
    152,313.60/228,308.40 = 73,376.40/x
  3. Step 3: Cross multiply
    152,313.60x = 228,308.40 × 73,376.40
  4. Step 4: Simplify right side
    152,313.60x = 16,752,448,481.76
  5. Step 5: Solve for x
    x = 16,752,448,481.76/152,313.60
  6. Step 6: Final answer
    x = 109,986.56

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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.