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Finding the Fourth Proportional to 118,597.59, 163,661.54 and 70,202.02

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Solution

The fourth proportional to 118,597.59, 163,661.54 and 70,202.02 is: 96,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,597.59 : 163,661.54 = 70,202.02 : x
  2. Step 2: Convert to fraction form
    118,597.59/163,661.54 = 70,202.02/x
  3. Step 3: Cross multiply
    118,597.59x = 163,661.54 × 70,202.02
  4. Step 4: Simplify right side
    118,597.59x = 11,489,369,886.00
  5. Step 5: Solve for x
    x = 11,489,369,886.00/118,597.59
  6. Step 6: Final answer
    x = 96,876.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.