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Finding the Fourth Proportional to 101,834.40, 152,751.60 and 88,712.40

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Solution

The fourth proportional to 101,834.40, 152,751.60 and 88,712.40 is: 133,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,834.40 : 152,751.60 = 88,712.40 : x
  2. Step 2: Convert to fraction form
    101,834.40/152,751.60 = 88,712.40/x
  3. Step 3: Cross multiply
    101,834.40x = 152,751.60 × 88,712.40
  4. Step 4: Simplify right side
    101,834.40x = 13,550,961,039.84
  5. Step 5: Solve for x
    x = 13,550,961,039.84/101,834.40
  6. Step 6: Final answer
    x = 133,068.60

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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.