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Finding the Fourth Proportional to 118,655.56, 163,803.92 and 68,344.84

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Solution

The fourth proportional to 118,655.56, 163,803.92 and 68,344.84 is: 94,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,655.56 : 163,803.92 = 68,344.84 : x
  2. Step 2: Convert to fraction form
    118,655.56/163,803.92 = 68,344.84/x
  3. Step 3: Cross multiply
    118,655.56x = 163,803.92 × 68,344.84
  4. Step 4: Simplify right side
    118,655.56x = 11,195,152,703.77
  5. Step 5: Solve for x
    x = 11,195,152,703.77/118,655.56
  6. Step 6: Final answer
    x = 94,350.01

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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.