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Finding the Fourth Proportional to 121,030.99, 167,011.06 and 70,033.57

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Solution

The fourth proportional to 121,030.99, 167,011.06 and 70,033.57 is: 96,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,030.99 : 167,011.06 = 70,033.57 : x
  2. Step 2: Convert to fraction form
    121,030.99/167,011.06 = 70,033.57/x
  3. Step 3: Cross multiply
    121,030.99x = 167,011.06 × 70,033.57
  4. Step 4: Simplify right side
    121,030.99x = 11,696,380,761.28
  5. Step 5: Solve for x
    x = 11,696,380,761.28/121,030.99
  6. Step 6: Final answer
    x = 96,639.55

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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.