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Finding the Fourth Proportional to 108,173.76, 149,309.28 and 63,476.16

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Solution

The fourth proportional to 108,173.76, 149,309.28 and 63,476.16 is: 87,614.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,173.76 : 149,309.28 = 63,476.16 : x
  2. Step 2: Convert to fraction form
    108,173.76/149,309.28 = 63,476.16/x
  3. Step 3: Cross multiply
    108,173.76x = 149,309.28 × 63,476.16
  4. Step 4: Simplify right side
    108,173.76x = 9,477,579,746.76
  5. Step 5: Solve for x
    x = 9,477,579,746.76/108,173.76
  6. Step 6: Final answer
    x = 87,614.41

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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.