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Finding the Fourth Proportional to 140,952.15, 197,595.45 and 140,952.15

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Solution

The fourth proportional to 140,952.15, 197,595.45 and 140,952.15 is: 197,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,952.15 : 197,595.45 = 140,952.15 : x
  2. Step 2: Convert to fraction form
    140,952.15/197,595.45 = 140,952.15/x
  3. Step 3: Cross multiply
    140,952.15x = 197,595.45 × 140,952.15
  4. Step 4: Simplify right side
    140,952.15x = 27,851,503,507.72
  5. Step 5: Solve for x
    x = 27,851,503,507.72/140,952.15
  6. Step 6: Final answer
    x = 197,595.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.