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Finding the Fourth Proportional to 163,732.88, 245,599.32 and 108,315.92

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Solution

The fourth proportional to 163,732.88, 245,599.32 and 108,315.92 is: 162,473.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,732.88 : 245,599.32 = 108,315.92 : x
  2. Step 2: Convert to fraction form
    163,732.88/245,599.32 = 108,315.92/x
  3. Step 3: Cross multiply
    163,732.88x = 245,599.32 × 108,315.92
  4. Step 4: Simplify right side
    163,732.88x = 26,602,316,297.17
  5. Step 5: Solve for x
    x = 26,602,316,297.17/163,732.88
  6. Step 6: Final answer
    x = 162,473.88

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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.