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Finding the Fourth Proportional to 98,547.44, 135,995.46 and 53,225.40

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Solution

The fourth proportional to 98,547.44, 135,995.46 and 53,225.40 is: 73,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,547.44 : 135,995.46 = 53,225.40 : x
  2. Step 2: Convert to fraction form
    98,547.44/135,995.46 = 53,225.40/x
  3. Step 3: Cross multiply
    98,547.44x = 135,995.46 × 53,225.40
  4. Step 4: Simplify right side
    98,547.44x = 7,238,413,067.07
  5. Step 5: Solve for x
    x = 7,238,413,067.07/98,547.44
  6. Step 6: Final answer
    x = 73,451.05

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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.