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Finding the Fourth Proportional to 107,244.40, 148,010 and 61,933.40

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Solution

The fourth proportional to 107,244.40, 148,010 and 61,933.40 is: 85,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,244.40 : 148,010 = 61,933.40 : x
  2. Step 2: Convert to fraction form
    107,244.40/148,010 = 61,933.40/x
  3. Step 3: Cross multiply
    107,244.40x = 148,010 × 61,933.40
  4. Step 4: Simplify right side
    107,244.40x = 9,166,762,534
  5. Step 5: Solve for x
    x = 9,166,762,534/107,244.40
  6. Step 6: Final answer
    x = 85,475.44

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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.