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Finding the Fourth Proportional to 110,611.84, 152,659.20 and 70,329.60

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Solution

The fourth proportional to 110,611.84, 152,659.20 and 70,329.60 is: 97,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,611.84 : 152,659.20 = 70,329.60 : x
  2. Step 2: Convert to fraction form
    110,611.84/152,659.20 = 70,329.60/x
  3. Step 3: Cross multiply
    110,611.84x = 152,659.20 × 70,329.60
  4. Step 4: Simplify right side
    110,611.84x = 10,736,460,472.32
  5. Step 5: Solve for x
    x = 10,736,460,472.32/110,611.84
  6. Step 6: Final answer
    x = 97,064.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.