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Finding the Fourth Proportional to 117,673.61, 176,454.97 and 42,740.91

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Solution

The fourth proportional to 117,673.61, 176,454.97 and 42,740.91 is: 64,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,673.61 : 176,454.97 = 42,740.91 : x
  2. Step 2: Convert to fraction form
    117,673.61/176,454.97 = 42,740.91/x
  3. Step 3: Cross multiply
    117,673.61x = 176,454.97 × 42,740.91
  4. Step 4: Simplify right side
    117,673.61x = 7,541,845,884.97
  5. Step 5: Solve for x
    x = 7,541,845,884.97/117,673.61
  6. Step 6: Final answer
    x = 64,091.23

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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.