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Finding the Fourth Proportional to 100,895.50, 150,969.58 and 63,154.90

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Solution

The fourth proportional to 100,895.50, 150,969.58 and 63,154.90 is: 94,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,895.50 : 150,969.58 = 63,154.90 : x
  2. Step 2: Convert to fraction form
    100,895.50/150,969.58 = 63,154.90/x
  3. Step 3: Cross multiply
    100,895.50x = 150,969.58 × 63,154.90
  4. Step 4: Simplify right side
    100,895.50x = 9,534,468,727.94
  5. Step 5: Solve for x
    x = 9,534,468,727.94/100,895.50
  6. Step 6: Final answer
    x = 94,498.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.