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Finding the Fourth Proportional to 153,813.96, 230,719.50 and 48,632.94

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Solution

The fourth proportional to 153,813.96, 230,719.50 and 48,632.94 is: 72,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,813.96 : 230,719.50 = 48,632.94 : x
  2. Step 2: Convert to fraction form
    153,813.96/230,719.50 = 48,632.94/x
  3. Step 3: Cross multiply
    153,813.96x = 230,719.50 × 48,632.94
  4. Step 4: Simplify right side
    153,813.96x = 11,220,567,600.33
  5. Step 5: Solve for x
    x = 11,220,567,600.33/153,813.96
  6. Step 6: Final answer
    x = 72,948.95

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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.