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Finding the Fourth Proportional to 108,937.84, 150,307.77 and 63,590.08

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Solution

The fourth proportional to 108,937.84, 150,307.77 and 63,590.08 is: 87,738.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,937.84 : 150,307.77 = 63,590.08 : x
  2. Step 2: Convert to fraction form
    108,937.84/150,307.77 = 63,590.08/x
  3. Step 3: Cross multiply
    108,937.84x = 150,307.77 × 63,590.08
  4. Step 4: Simplify right side
    108,937.84x = 9,558,083,118.92
  5. Step 5: Solve for x
    x = 9,558,083,118.92/108,937.84
  6. Step 6: Final answer
    x = 87,738.87

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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.