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Finding the Fourth Proportional to 101,946.93, 152,920.50 and 38,752.20

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Solution

The fourth proportional to 101,946.93, 152,920.50 and 38,752.20 is: 58,128.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,946.93 : 152,920.50 = 38,752.20 : x
  2. Step 2: Convert to fraction form
    101,946.93/152,920.50 = 38,752.20/x
  3. Step 3: Cross multiply
    101,946.93x = 152,920.50 × 38,752.20
  4. Step 4: Simplify right side
    101,946.93x = 5,926,005,800.10
  5. Step 5: Solve for x
    x = 5,926,005,800.10/101,946.93
  6. Step 6: Final answer
    x = 58,128.34

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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.