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Finding the Fourth Proportional to 113,832.84, 156,943.29 and 93,339.41

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Solution

The fourth proportional to 113,832.84, 156,943.29 and 93,339.41 is: 128,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,832.84 : 156,943.29 = 93,339.41 : x
  2. Step 2: Convert to fraction form
    113,832.84/156,943.29 = 93,339.41/x
  3. Step 3: Cross multiply
    113,832.84x = 156,943.29 × 93,339.41
  4. Step 4: Simplify right side
    113,832.84x = 14,648,993,307.34
  5. Step 5: Solve for x
    x = 14,648,993,307.34/113,832.84
  6. Step 6: Final answer
    x = 128,688.64

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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.