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Finding the Fourth Proportional to 107,487.66, 147,994.17 and 97,523.16

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Solution

The fourth proportional to 107,487.66, 147,994.17 and 97,523.16 is: 134,274.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,487.66 : 147,994.17 = 97,523.16 : x
  2. Step 2: Convert to fraction form
    107,487.66/147,994.17 = 97,523.16/x
  3. Step 3: Cross multiply
    107,487.66x = 147,994.17 × 97,523.16
  4. Step 4: Simplify right side
    107,487.66x = 14,432,859,119.98
  5. Step 5: Solve for x
    x = 14,432,859,119.98/107,487.66
  6. Step 6: Final answer
    x = 134,274.57

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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.