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Finding the Fourth Proportional to 107,888.94, 161,399.79 and 93,254.94

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Solution

The fourth proportional to 107,888.94, 161,399.79 and 93,254.94 is: 139,507.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,888.94 : 161,399.79 = 93,254.94 : x
  2. Step 2: Convert to fraction form
    107,888.94/161,399.79 = 93,254.94/x
  3. Step 3: Cross multiply
    107,888.94x = 161,399.79 × 93,254.94
  4. Step 4: Simplify right side
    107,888.94x = 15,051,327,732.46
  5. Step 5: Solve for x
    x = 15,051,327,732.46/107,888.94
  6. Step 6: Final answer
    x = 139,507.61

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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.