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Finding the Fourth Proportional to 153,613.86, 230,420.82 and 48,441.06

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Solution

The fourth proportional to 153,613.86, 230,420.82 and 48,441.06 is: 72,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,613.86 : 230,420.82 = 48,441.06 : x
  2. Step 2: Convert to fraction form
    153,613.86/230,420.82 = 48,441.06/x
  3. Step 3: Cross multiply
    153,613.86x = 230,420.82 × 48,441.06
  4. Step 4: Simplify right side
    153,613.86x = 11,161,828,766.87
  5. Step 5: Solve for x
    x = 11,161,828,766.87/153,613.86
  6. Step 6: Final answer
    x = 72,661.60

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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.