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Finding the Fourth Proportional to 107,316.98, 148,098 and 67,054.09

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Solution

The fourth proportional to 107,316.98, 148,098 and 67,054.09 is: 92,535.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,316.98 : 148,098 = 67,054.09 : x
  2. Step 2: Convert to fraction form
    107,316.98/148,098 = 67,054.09/x
  3. Step 3: Cross multiply
    107,316.98x = 148,098 × 67,054.09
  4. Step 4: Simplify right side
    107,316.98x = 9,930,576,620.82
  5. Step 5: Solve for x
    x = 9,930,576,620.82/107,316.98
  6. Step 6: Final answer
    x = 92,535.00

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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.