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Finding the Fourth Proportional to 150,392.70, 207,486.16 and 96,707.32

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Solution

The fourth proportional to 150,392.70, 207,486.16 and 96,707.32 is: 133,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,392.70 : 207,486.16 = 96,707.32 : x
  2. Step 2: Convert to fraction form
    150,392.70/207,486.16 = 96,707.32/x
  3. Step 3: Cross multiply
    150,392.70x = 207,486.16 × 96,707.32
  4. Step 4: Simplify right side
    150,392.70x = 20,065,429,710.21
  5. Step 5: Solve for x
    x = 20,065,429,710.21/150,392.70
  6. Step 6: Final answer
    x = 133,420.24

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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.