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Finding the Fourth Proportional to 97,304.64, 145,672.64 and 87,966.24

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Solution

The fourth proportional to 97,304.64, 145,672.64 and 87,966.24 is: 131,692.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,304.64 : 145,672.64 = 87,966.24 : x
  2. Step 2: Convert to fraction form
    97,304.64/145,672.64 = 87,966.24/x
  3. Step 3: Cross multiply
    97,304.64x = 145,672.64 × 87,966.24
  4. Step 4: Simplify right side
    97,304.64x = 12,814,274,411.67
  5. Step 5: Solve for x
    x = 12,814,274,411.67/97,304.64
  6. Step 6: Final answer
    x = 131,692.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.