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Finding the Fourth Proportional to 121,029.93, 167,009.60 and 70,032.49

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Solution

The fourth proportional to 121,029.93, 167,009.60 and 70,032.49 is: 96,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,029.93 : 167,009.60 = 70,032.49 : x
  2. Step 2: Convert to fraction form
    121,029.93/167,009.60 = 70,032.49/x
  3. Step 3: Cross multiply
    121,029.93x = 167,009.60 × 70,032.49
  4. Step 4: Simplify right side
    121,029.93x = 11,696,097,899.46
  5. Step 5: Solve for x
    x = 11,696,097,899.46/121,029.93
  6. Step 6: Final answer
    x = 96,638.06

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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.