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Finding the Fourth Proportional to 254,705.68, 351,503.08 and 141,526

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Solution

The fourth proportional to 254,705.68, 351,503.08 and 141,526 is: 195,311.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,705.68 : 351,503.08 = 141,526 : x
  2. Step 2: Convert to fraction form
    254,705.68/351,503.08 = 141,526/x
  3. Step 3: Cross multiply
    254,705.68x = 351,503.08 × 141,526
  4. Step 4: Simplify right side
    254,705.68x = 49,746,824,900.08
  5. Step 5: Solve for x
    x = 49,746,824,900.08/254,705.68
  6. Step 6: Final answer
    x = 195,311.02

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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.