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Finding the Fourth Proportional to 118,383.93, 163,373.76 and 70,631.19

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Solution

The fourth proportional to 118,383.93, 163,373.76 and 70,631.19 is: 97,473.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,383.93 : 163,373.76 = 70,631.19 : x
  2. Step 2: Convert to fraction form
    118,383.93/163,373.76 = 70,631.19/x
  3. Step 3: Cross multiply
    118,383.93x = 163,373.76 × 70,631.19
  4. Step 4: Simplify right side
    118,383.93x = 11,539,283,083.57
  5. Step 5: Solve for x
    x = 11,539,283,083.57/118,383.93
  6. Step 6: Final answer
    x = 97,473.39

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1.5x scale

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.