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Finding the Fourth Proportional to 107,484.67, 147,990.04 and 97,520.15

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Solution

The fourth proportional to 107,484.67, 147,990.04 and 97,520.15 is: 134,270.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,484.67 : 147,990.04 = 97,520.15 : x
  2. Step 2: Convert to fraction form
    107,484.67/147,990.04 = 97,520.15/x
  3. Step 3: Cross multiply
    107,484.67x = 147,990.04 × 97,520.15
  4. Step 4: Simplify right side
    107,484.67x = 14,432,011,025.48
  5. Step 5: Solve for x
    x = 14,432,011,025.48/107,484.67
  6. Step 6: Final answer
    x = 134,270.41

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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.