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Finding the Fourth Proportional to 107,505.92, 148,019.36 and 97,541.40

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Solution

The fourth proportional to 107,505.92, 148,019.36 and 97,541.40 is: 134,299.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,505.92 : 148,019.36 = 97,541.40 : x
  2. Step 2: Convert to fraction form
    107,505.92/148,019.36 = 97,541.40/x
  3. Step 3: Cross multiply
    107,505.92x = 148,019.36 × 97,541.40
  4. Step 4: Simplify right side
    107,505.92x = 14,438,015,601.50
  5. Step 5: Solve for x
    x = 14,438,015,601.50/107,505.92
  6. Step 6: Final answer
    x = 134,299.73

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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.