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Finding the Fourth Proportional to 180,220.96, 248,697.12 and 98,547.64

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Solution

The fourth proportional to 180,220.96, 248,697.12 and 98,547.64 is: 135,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,220.96 : 248,697.12 = 98,547.64 : x
  2. Step 2: Convert to fraction form
    180,220.96/248,697.12 = 98,547.64/x
  3. Step 3: Cross multiply
    180,220.96x = 248,697.12 × 98,547.64
  4. Step 4: Simplify right side
    180,220.96x = 24,508,514,250.80
  5. Step 5: Solve for x
    x = 24,508,514,250.80/180,220.96
  6. Step 6: Final answer
    x = 135,991.48

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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.