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Finding the Fourth Proportional to 109,304.80, 163,955.04 and 35,432.80

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Solution

The fourth proportional to 109,304.80, 163,955.04 and 35,432.80 is: 53,148.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,304.80 : 163,955.04 = 35,432.80 : x
  2. Step 2: Convert to fraction form
    109,304.80/163,955.04 = 35,432.80/x
  3. Step 3: Cross multiply
    109,304.80x = 163,955.04 × 35,432.80
  4. Step 4: Simplify right side
    109,304.80x = 5,809,386,141.31
  5. Step 5: Solve for x
    x = 5,809,386,141.31/109,304.80
  6. Step 6: Final answer
    x = 53,148.50

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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.