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Finding the Fourth Proportional to 109,448.57, 150,981.57 and 89,053.45

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Solution

The fourth proportional to 109,448.57, 150,981.57 and 89,053.45 is: 122,847.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,448.57 : 150,981.57 = 89,053.45 : x
  2. Step 2: Convert to fraction form
    109,448.57/150,981.57 = 89,053.45/x
  3. Step 3: Cross multiply
    109,448.57x = 150,981.57 × 89,053.45
  4. Step 4: Simplify right side
    109,448.57x = 13,445,429,317.46
  5. Step 5: Solve for x
    x = 13,445,429,317.46/109,448.57
  6. Step 6: Final answer
    x = 122,847.00

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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.