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Finding the Fourth Proportional to 425,259.35, 637,901.32 and 109,716.25

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Solution

The fourth proportional to 425,259.35, 637,901.32 and 109,716.25 is: 164,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,259.35 : 637,901.32 = 109,716.25 : x
  2. Step 2: Convert to fraction form
    425,259.35/637,901.32 = 109,716.25/x
  3. Step 3: Cross multiply
    425,259.35x = 637,901.32 × 109,716.25
  4. Step 4: Simplify right side
    425,259.35x = 69,988,140,700.45
  5. Step 5: Solve for x
    x = 69,988,140,700.45/425,259.35
  6. Step 6: Final answer
    x = 164,577.55

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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.