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Finding the Fourth Proportional to 108,895.32, 150,279.54 and 63,602.28

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Solution

The fourth proportional to 108,895.32, 150,279.54 and 63,602.28 is: 87,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,895.32 : 150,279.54 = 63,602.28 : x
  2. Step 2: Convert to fraction form
    108,895.32/150,279.54 = 63,602.28/x
  3. Step 3: Cross multiply
    108,895.32x = 150,279.54 × 63,602.28
  4. Step 4: Simplify right side
    108,895.32x = 9,558,121,381.35
  5. Step 5: Solve for x
    x = 9,558,121,381.35/108,895.32
  6. Step 6: Final answer
    x = 87,773.48

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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.