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Finding the Fourth Proportional to 107,353.70, 161,030.55 and 97,512.20

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Solution

The fourth proportional to 107,353.70, 161,030.55 and 97,512.20 is: 146,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,353.70 : 161,030.55 = 97,512.20 : x
  2. Step 2: Convert to fraction form
    107,353.70/161,030.55 = 97,512.20/x
  3. Step 3: Cross multiply
    107,353.70x = 161,030.55 × 97,512.20
  4. Step 4: Simplify right side
    107,353.70x = 15,702,443,197.71
  5. Step 5: Solve for x
    x = 15,702,443,197.71/107,353.70
  6. Step 6: Final answer
    x = 146,268.30

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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.