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Finding the Fourth Proportional to 172,532.53, 238,100.23 and 93,955.74

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Solution

The fourth proportional to 172,532.53, 238,100.23 and 93,955.74 is: 129,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,532.53 : 238,100.23 = 93,955.74 : x
  2. Step 2: Convert to fraction form
    172,532.53/238,100.23 = 93,955.74/x
  3. Step 3: Cross multiply
    172,532.53x = 238,100.23 × 93,955.74
  4. Step 4: Simplify right side
    172,532.53x = 22,370,883,303.82
  5. Step 5: Solve for x
    x = 22,370,883,303.82/172,532.53
  6. Step 6: Final answer
    x = 129,661.83

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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.