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Finding the Fourth Proportional to 150,653.60, 207,901.92 and 83,585.60

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Solution

The fourth proportional to 150,653.60, 207,901.92 and 83,585.60 is: 115,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,653.60 : 207,901.92 = 83,585.60 : x
  2. Step 2: Convert to fraction form
    150,653.60/207,901.92 = 83,585.60/x
  3. Step 3: Cross multiply
    150,653.60x = 207,901.92 × 83,585.60
  4. Step 4: Simplify right side
    150,653.60x = 17,377,606,724.35
  5. Step 5: Solve for x
    x = 17,377,606,724.35/150,653.60
  6. Step 6: Final answer
    x = 115,348.10

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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.