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Finding the Fourth Proportional to 254,557.88, 351,210.80 and 147,088.68

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Solution

The fourth proportional to 254,557.88, 351,210.80 and 147,088.68 is: 202,936.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,557.88 : 351,210.80 = 147,088.68 : x
  2. Step 2: Convert to fraction form
    254,557.88/351,210.80 = 147,088.68/x
  3. Step 3: Cross multiply
    254,557.88x = 351,210.80 × 147,088.68
  4. Step 4: Simplify right side
    254,557.88x = 51,659,132,973.74
  5. Step 5: Solve for x
    x = 51,659,132,973.74/254,557.88
  6. Step 6: Final answer
    x = 202,936.69

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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.