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Finding the Fourth Proportional to 114,335.60, 171,503.48 and 47,739.40

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Solution

The fourth proportional to 114,335.60, 171,503.48 and 47,739.40 is: 71,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,335.60 : 171,503.48 = 47,739.40 : x
  2. Step 2: Convert to fraction form
    114,335.60/171,503.48 = 47,739.40/x
  3. Step 3: Cross multiply
    114,335.60x = 171,503.48 × 47,739.40
  4. Step 4: Simplify right side
    114,335.60x = 8,187,473,233.11
  5. Step 5: Solve for x
    x = 8,187,473,233.11/114,335.60
  6. Step 6: Final answer
    x = 71,609.13

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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.