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Finding the Fourth Proportional to 98,589.66, 136,053.43 and 53,877.66

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Solution

The fourth proportional to 98,589.66, 136,053.43 and 53,877.66 is: 74,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,589.66 : 136,053.43 = 53,877.66 : x
  2. Step 2: Convert to fraction form
    98,589.66/136,053.43 = 53,877.66/x
  3. Step 3: Cross multiply
    98,589.66x = 136,053.43 × 53,877.66
  4. Step 4: Simplify right side
    98,589.66x = 7,330,240,443.37
  5. Step 5: Solve for x
    x = 7,330,240,443.37/98,589.66
  6. Step 6: Final answer
    x = 74,351.01

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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.