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Finding the Fourth Proportional to 112,494.80, 168,281.40 and 101,435.60

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Solution

The fourth proportional to 112,494.80, 168,281.40 and 101,435.60 is: 151,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,494.80 : 168,281.40 = 101,435.60 : x
  2. Step 2: Convert to fraction form
    112,494.80/168,281.40 = 101,435.60/x
  3. Step 3: Cross multiply
    112,494.80x = 168,281.40 × 101,435.60
  4. Step 4: Simplify right side
    112,494.80x = 17,069,724,777.84
  5. Step 5: Solve for x
    x = 17,069,724,777.84/112,494.80
  6. Step 6: Final answer
    x = 151,737.90

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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.