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Finding the Fourth Proportional to 100,570.02, 150,918.55 and 56,225.86

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Solution

The fourth proportional to 100,570.02, 150,918.55 and 56,225.86 is: 84,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,570.02 : 150,918.55 = 56,225.86 : x
  2. Step 2: Convert to fraction form
    100,570.02/150,918.55 = 56,225.86/x
  3. Step 3: Cross multiply
    100,570.02x = 150,918.55 × 56,225.86
  4. Step 4: Simplify right side
    100,570.02x = 8,485,525,263.70
  5. Step 5: Solve for x
    x = 8,485,525,263.70/100,570.02
  6. Step 6: Final answer
    x = 84,374.30

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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.