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Finding the Fourth Proportional to 117,877.34, 176,817.84 and 65,618.97

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Solution

The fourth proportional to 117,877.34, 176,817.84 and 65,618.97 is: 98,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,877.34 : 176,817.84 = 65,618.97 : x
  2. Step 2: Convert to fraction form
    117,877.34/176,817.84 = 65,618.97/x
  3. Step 3: Cross multiply
    117,877.34x = 176,817.84 × 65,618.97
  4. Step 4: Simplify right side
    117,877.34x = 11,602,604,210.33
  5. Step 5: Solve for x
    x = 11,602,604,210.33/117,877.34
  6. Step 6: Final answer
    x = 98,429.48

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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.