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Finding the Fourth Proportional to 150,624.66, 207,869.58 and 86,097.23

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Solution

The fourth proportional to 150,624.66, 207,869.58 and 86,097.23 is: 118,818.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,624.66 : 207,869.58 = 86,097.23 : x
  2. Step 2: Convert to fraction form
    150,624.66/207,869.58 = 86,097.23/x
  3. Step 3: Cross multiply
    150,624.66x = 207,869.58 × 86,097.23
  4. Step 4: Simplify right side
    150,624.66x = 17,896,993,569.43
  5. Step 5: Solve for x
    x = 17,896,993,569.43/150,624.66
  6. Step 6: Final answer
    x = 118,818.48

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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.