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Finding the Fourth Proportional to 113,838.41, 156,950.98 and 93,344.97

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Solution

The fourth proportional to 113,838.41, 156,950.98 and 93,344.97 is: 128,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,838.41 : 156,950.98 = 93,344.97 : x
  2. Step 2: Convert to fraction form
    113,838.41/156,950.98 = 93,344.97/x
  3. Step 3: Cross multiply
    113,838.41x = 156,950.98 × 93,344.97
  4. Step 4: Simplify right side
    113,838.41x = 14,650,584,459.94
  5. Step 5: Solve for x
    x = 14,650,584,459.94/113,838.41
  6. Step 6: Final answer
    x = 128,696.32

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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.