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Finding the Fourth Proportional to 108,526, 163,528.46 and 89,236.64

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Solution

The fourth proportional to 108,526, 163,528.46 and 89,236.64 is: 134,462.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,526 : 163,528.46 = 89,236.64 : x
  2. Step 2: Convert to fraction form
    108,526/163,528.46 = 89,236.64/x
  3. Step 3: Cross multiply
    108,526x = 163,528.46 × 89,236.64
  4. Step 4: Simplify right side
    108,526x = 14,592,730,314.77
  5. Step 5: Solve for x
    x = 14,592,730,314.77/108,526
  6. Step 6: Final answer
    x = 134,462.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.