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Finding the Fourth Proportional to 149,616.70, 224,464.65 and 65,340.70

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Solution

The fourth proportional to 149,616.70, 224,464.65 and 65,340.70 is: 98,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,616.70 : 224,464.65 = 65,340.70 : x
  2. Step 2: Convert to fraction form
    149,616.70/224,464.65 = 65,340.70/x
  3. Step 3: Cross multiply
    149,616.70x = 224,464.65 × 65,340.70
  4. Step 4: Simplify right side
    149,616.70x = 14,666,677,356.26
  5. Step 5: Solve for x
    x = 14,666,677,356.26/149,616.70
  6. Step 6: Final answer
    x = 98,028.34

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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.