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Finding the Fourth Proportional to 107,248.56, 148,010.01 and 61,928.45

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Solution

The fourth proportional to 107,248.56, 148,010.01 and 61,928.45 is: 85,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,248.56 : 148,010.01 = 61,928.45 : x
  2. Step 2: Convert to fraction form
    107,248.56/148,010.01 = 61,928.45/x
  3. Step 3: Cross multiply
    107,248.56x = 148,010.01 × 61,928.45
  4. Step 4: Simplify right side
    107,248.56x = 9,166,030,503.78
  5. Step 5: Solve for x
    x = 9,166,030,503.78/107,248.56
  6. Step 6: Final answer
    x = 85,465.30

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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.