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Finding the Fourth Proportional to 97,666.40, 146,499.60 and 31,100.60

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Solution

The fourth proportional to 97,666.40, 146,499.60 and 31,100.60 is: 46,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,666.40 : 146,499.60 = 31,100.60 : x
  2. Step 2: Convert to fraction form
    97,666.40/146,499.60 = 31,100.60/x
  3. Step 3: Cross multiply
    97,666.40x = 146,499.60 × 31,100.60
  4. Step 4: Simplify right side
    97,666.40x = 4,556,225,459.76
  5. Step 5: Solve for x
    x = 4,556,225,459.76/97,666.40
  6. Step 6: Final answer
    x = 46,650.90

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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.