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Finding the Fourth Proportional to 107,632.40, 161,506.20 and 48,477.20

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Solution

The fourth proportional to 107,632.40, 161,506.20 and 48,477.20 is: 72,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,632.40 : 161,506.20 = 48,477.20 : x
  2. Step 2: Convert to fraction form
    107,632.40/161,506.20 = 48,477.20/x
  3. Step 3: Cross multiply
    107,632.40x = 161,506.20 × 48,477.20
  4. Step 4: Simplify right side
    107,632.40x = 7,829,368,358.64
  5. Step 5: Solve for x
    x = 7,829,368,358.64/107,632.40
  6. Step 6: Final answer
    x = 72,741.74

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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.