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Finding the Fourth Proportional to 231,703.08, 319,832.58 and 141,017.64

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Solution

The fourth proportional to 231,703.08, 319,832.58 and 141,017.64 is: 194,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,703.08 : 319,832.58 = 141,017.64 : x
  2. Step 2: Convert to fraction form
    231,703.08/319,832.58 = 141,017.64/x
  3. Step 3: Cross multiply
    231,703.08x = 319,832.58 × 141,017.64
  4. Step 4: Simplify right side
    231,703.08x = 45,102,035,626.71
  5. Step 5: Solve for x
    x = 45,102,035,626.71/231,703.08
  6. Step 6: Final answer
    x = 194,654.45

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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.