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Finding the Fourth Proportional to 108,243.68, 162,368.28 and 51,304.28

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Solution

The fourth proportional to 108,243.68, 162,368.28 and 51,304.28 is: 76,957.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,243.68 : 162,368.28 = 51,304.28 : x
  2. Step 2: Convert to fraction form
    108,243.68/162,368.28 = 51,304.28/x
  3. Step 3: Cross multiply
    108,243.68x = 162,368.28 × 51,304.28
  4. Step 4: Simplify right side
    108,243.68x = 8,330,186,888.40
  5. Step 5: Solve for x
    x = 8,330,186,888.40/108,243.68
  6. Step 6: Final answer
    x = 76,957.72

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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.