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Finding the Fourth Proportional to 121,523.73, 167,675.73 and 70,506.82

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Solution

The fourth proportional to 121,523.73, 167,675.73 and 70,506.82 is: 97,283.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,523.73 : 167,675.73 = 70,506.82 : x
  2. Step 2: Convert to fraction form
    121,523.73/167,675.73 = 70,506.82/x
  3. Step 3: Cross multiply
    121,523.73x = 167,675.73 × 70,506.82
  4. Step 4: Simplify right side
    121,523.73x = 11,822,282,513.48
  5. Step 5: Solve for x
    x = 11,822,282,513.48/121,523.73
  6. Step 6: Final answer
    x = 97,283.74

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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.