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Finding the Fourth Proportional to 156,762.98, 216,394.96 and 109,044.02

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Solution

The fourth proportional to 156,762.98, 216,394.96 and 109,044.02 is: 150,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,762.98 : 216,394.96 = 109,044.02 : x
  2. Step 2: Convert to fraction form
    156,762.98/216,394.96 = 109,044.02/x
  3. Step 3: Cross multiply
    156,762.98x = 216,394.96 × 109,044.02
  4. Step 4: Simplify right side
    156,762.98x = 23,596,576,346.14
  5. Step 5: Solve for x
    x = 23,596,576,346.14/156,762.98
  6. Step 6: Final answer
    x = 150,523.91

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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.