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Finding the Fourth Proportional to 98,528.80, 147,706.80 and 59,101.60

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Solution

The fourth proportional to 98,528.80, 147,706.80 and 59,101.60 is: 88,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,528.80 : 147,706.80 = 59,101.60 : x
  2. Step 2: Convert to fraction form
    98,528.80/147,706.80 = 59,101.60/x
  3. Step 3: Cross multiply
    98,528.80x = 147,706.80 × 59,101.60
  4. Step 4: Simplify right side
    98,528.80x = 8,729,708,210.88
  5. Step 5: Solve for x
    x = 8,729,708,210.88/98,528.80
  6. Step 6: Final answer
    x = 88,600.57

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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.