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Finding the Fourth Proportional to 117,673.36, 176,454.59 and 42,740.66

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Solution

The fourth proportional to 117,673.36, 176,454.59 and 42,740.66 is: 64,090.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,673.36 : 176,454.59 = 42,740.66 : x
  2. Step 2: Convert to fraction form
    117,673.36/176,454.59 = 42,740.66/x
  3. Step 3: Cross multiply
    117,673.36x = 176,454.59 × 42,740.66
  4. Step 4: Simplify right side
    117,673.36x = 7,541,785,636.63
  5. Step 5: Solve for x
    x = 7,541,785,636.63/117,673.36
  6. Step 6: Final answer
    x = 64,090.85

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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.