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Finding the Fourth Proportional to 108,258.76, 149,416.10 and 62,950.76

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Solution

The fourth proportional to 108,258.76, 149,416.10 and 62,950.76 is: 86,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,258.76 : 149,416.10 = 62,950.76 : x
  2. Step 2: Convert to fraction form
    108,258.76/149,416.10 = 62,950.76/x
  3. Step 3: Cross multiply
    108,258.76x = 149,416.10 × 62,950.76
  4. Step 4: Simplify right side
    108,258.76x = 9,405,857,051.24
  5. Step 5: Solve for x
    x = 9,405,857,051.24/108,258.76
  6. Step 6: Final answer
    x = 86,883.10

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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.