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Finding the Fourth Proportional to 121,085.68, 167,095.63 and 70,100.56

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Solution

The fourth proportional to 121,085.68, 167,095.63 and 70,100.56 is: 96,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,085.68 : 167,095.63 = 70,100.56 : x
  2. Step 2: Convert to fraction form
    121,085.68/167,095.63 = 70,100.56/x
  3. Step 3: Cross multiply
    121,085.68x = 167,095.63 × 70,100.56
  4. Step 4: Simplify right side
    121,085.68x = 11,713,496,886.05
  5. Step 5: Solve for x
    x = 11,713,496,886.05/121,085.68
  6. Step 6: Final answer
    x = 96,737.26

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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.