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Finding the Fourth Proportional to 118,315.56, 177,473.34 and 69,033

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Solution

The fourth proportional to 118,315.56, 177,473.34 and 69,033 is: 103,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,315.56 : 177,473.34 = 69,033 : x
  2. Step 2: Convert to fraction form
    118,315.56/177,473.34 = 69,033/x
  3. Step 3: Cross multiply
    118,315.56x = 177,473.34 × 69,033
  4. Step 4: Simplify right side
    118,315.56x = 12,251,517,080.22
  5. Step 5: Solve for x
    x = 12,251,517,080.22/118,315.56
  6. Step 6: Final answer
    x = 103,549.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.