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Finding the Fourth Proportional to 98,104.32, 135,409.84 and 57,844.89

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Solution

The fourth proportional to 98,104.32, 135,409.84 and 57,844.89 is: 79,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,104.32 : 135,409.84 = 57,844.89 : x
  2. Step 2: Convert to fraction form
    98,104.32/135,409.84 = 57,844.89/x
  3. Step 3: Cross multiply
    98,104.32x = 135,409.84 × 57,844.89
  4. Step 4: Simplify right side
    98,104.32x = 7,832,767,155.11
  5. Step 5: Solve for x
    x = 7,832,767,155.11/98,104.32
  6. Step 6: Final answer
    x = 79,841.21

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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.