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Finding the Fourth Proportional to 107,955.60, 161,904.60 and 37,827.60

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Solution

The fourth proportional to 107,955.60, 161,904.60 and 37,827.60 is: 56,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,955.60 : 161,904.60 = 37,827.60 : x
  2. Step 2: Convert to fraction form
    107,955.60/161,904.60 = 37,827.60/x
  3. Step 3: Cross multiply
    107,955.60x = 161,904.60 × 37,827.60
  4. Step 4: Simplify right side
    107,955.60x = 6,124,462,446.96
  5. Step 5: Solve for x
    x = 6,124,462,446.96/107,955.60
  6. Step 6: Final answer
    x = 56,731.31

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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.