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Finding the Fourth Proportional to 103,596.48, 155,657.40 and 96,630.84

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Solution

The fourth proportional to 103,596.48, 155,657.40 and 96,630.84 is: 145,191.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,596.48 : 155,657.40 = 96,630.84 : x
  2. Step 2: Convert to fraction form
    103,596.48/155,657.40 = 96,630.84/x
  3. Step 3: Cross multiply
    103,596.48x = 155,657.40 × 96,630.84
  4. Step 4: Simplify right side
    103,596.48x = 15,041,305,314.22
  5. Step 5: Solve for x
    x = 15,041,305,314.22/103,596.48
  6. Step 6: Final answer
    x = 145,191.28

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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.