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Finding the Fourth Proportional to 153,958.60, 230,937.90 and 122,854.60

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Solution

The fourth proportional to 153,958.60, 230,937.90 and 122,854.60 is: 184,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,958.60 : 230,937.90 = 122,854.60 : x
  2. Step 2: Convert to fraction form
    153,958.60/230,937.90 = 122,854.60/x
  3. Step 3: Cross multiply
    153,958.60x = 230,937.90 × 122,854.60
  4. Step 4: Simplify right side
    153,958.60x = 28,371,783,329.34
  5. Step 5: Solve for x
    x = 28,371,783,329.34/153,958.60
  6. Step 6: Final answer
    x = 184,281.90

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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.