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Finding the Fourth Proportional to 150,396.38, 207,547.01 and 89,969.57

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Solution

The fourth proportional to 150,396.38, 207,547.01 and 89,969.57 is: 124,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,396.38 : 207,547.01 = 89,969.57 : x
  2. Step 2: Convert to fraction form
    150,396.38/207,547.01 = 89,969.57/x
  3. Step 3: Cross multiply
    150,396.38x = 207,547.01 × 89,969.57
  4. Step 4: Simplify right side
    150,396.38x = 18,672,913,756.90
  5. Step 5: Solve for x
    x = 18,672,913,756.90/150,396.38
  6. Step 6: Final answer
    x = 124,158.00

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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.