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Finding the Fourth Proportional to 163,253.66, 225,215.79 and 109,482.62

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Solution

The fourth proportional to 163,253.66, 225,215.79 and 109,482.62 is: 151,036.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,253.66 : 225,215.79 = 109,482.62 : x
  2. Step 2: Convert to fraction form
    163,253.66/225,215.79 = 109,482.62/x
  3. Step 3: Cross multiply
    163,253.66x = 225,215.79 × 109,482.62
  4. Step 4: Simplify right side
    163,253.66x = 24,657,214,754.57
  5. Step 5: Solve for x
    x = 24,657,214,754.57/163,253.66
  6. Step 6: Final answer
    x = 151,036.21

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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.