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Finding the Fourth Proportional to 98,884.59, 136,460.87 and 53,563.06

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Solution

The fourth proportional to 98,884.59, 136,460.87 and 53,563.06 is: 73,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,884.59 : 136,460.87 = 53,563.06 : x
  2. Step 2: Convert to fraction form
    98,884.59/136,460.87 = 53,563.06/x
  3. Step 3: Cross multiply
    98,884.59x = 136,460.87 × 53,563.06
  4. Step 4: Simplify right side
    98,884.59x = 7,309,261,767.46
  5. Step 5: Solve for x
    x = 7,309,261,767.46/98,884.59
  6. Step 6: Final answer
    x = 73,917.10

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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.