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Finding the Fourth Proportional to 110,373.79, 152,345.12 and 67,967.86

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Solution

The fourth proportional to 110,373.79, 152,345.12 and 67,967.86 is: 93,813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,373.79 : 152,345.12 = 67,967.86 : x
  2. Step 2: Convert to fraction form
    110,373.79/152,345.12 = 67,967.86/x
  3. Step 3: Cross multiply
    110,373.79x = 152,345.12 × 67,967.86
  4. Step 4: Simplify right side
    110,373.79x = 10,354,571,787.84
  5. Step 5: Solve for x
    x = 10,354,571,787.84/110,373.79
  6. Step 6: Final answer
    x = 93,813.68

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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.