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Finding the Fourth Proportional to 174,397.39, 240,741.53 and 117,885.31

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Solution

The fourth proportional to 174,397.39, 240,741.53 and 117,885.31 is: 162,731.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,397.39 : 240,741.53 = 117,885.31 : x
  2. Step 2: Convert to fraction form
    174,397.39/240,741.53 = 117,885.31/x
  3. Step 3: Cross multiply
    174,397.39x = 240,741.53 × 117,885.31
  4. Step 4: Simplify right side
    174,397.39x = 28,379,889,893.92
  5. Step 5: Solve for x
    x = 28,379,889,893.92/174,397.39
  6. Step 6: Final answer
    x = 162,731.16

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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.