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Finding the Fourth Proportional to 110,962.72, 153,117.57 and 63,213.22

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Solution

The fourth proportional to 110,962.72, 153,117.57 and 63,213.22 is: 87,227.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,962.72 : 153,117.57 = 63,213.22 : x
  2. Step 2: Convert to fraction form
    110,962.72/153,117.57 = 63,213.22/x
  3. Step 3: Cross multiply
    110,962.72x = 153,117.57 × 63,213.22
  4. Step 4: Simplify right side
    110,962.72x = 9,679,054,638.28
  5. Step 5: Solve for x
    x = 9,679,054,638.28/110,962.72
  6. Step 6: Final answer
    x = 87,227.99

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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.