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Finding the Fourth Proportional to 152,229.98, 210,007.28 and 98,532.25

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Solution

The fourth proportional to 152,229.98, 210,007.28 and 98,532.25 is: 135,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,229.98 : 210,007.28 = 98,532.25 : x
  2. Step 2: Convert to fraction form
    152,229.98/210,007.28 = 98,532.25/x
  3. Step 3: Cross multiply
    152,229.98x = 210,007.28 × 98,532.25
  4. Step 4: Simplify right side
    152,229.98x = 20,692,489,536.09
  5. Step 5: Solve for x
    x = 20,692,489,536.09/152,229.98
  6. Step 6: Final answer
    x = 135,929.13

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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.