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Finding the Fourth Proportional to 117,448.40, 176,224.80 and 47,464.40

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Solution

The fourth proportional to 117,448.40, 176,224.80 and 47,464.40 is: 71,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,448.40 : 176,224.80 = 47,464.40 : x
  2. Step 2: Convert to fraction form
    117,448.40/176,224.80 = 47,464.40/x
  3. Step 3: Cross multiply
    117,448.40x = 176,224.80 × 47,464.40
  4. Step 4: Simplify right side
    117,448.40x = 8,364,404,397.12
  5. Step 5: Solve for x
    x = 8,364,404,397.12/117,448.40
  6. Step 6: Final answer
    x = 71,217.70

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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.