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Finding the Fourth Proportional to 254,555.76, 351,281.88 and 141,374.64

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Solution

The fourth proportional to 254,555.76, 351,281.88 and 141,374.64 is: 195,094.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,555.76 : 351,281.88 = 141,374.64 : x
  2. Step 2: Convert to fraction form
    254,555.76/351,281.88 = 141,374.64/x
  3. Step 3: Cross multiply
    254,555.76x = 351,281.88 × 141,374.64
  4. Step 4: Simplify right side
    254,555.76x = 49,662,349,323.52
  5. Step 5: Solve for x
    x = 49,662,349,323.52/254,555.76
  6. Step 6: Final answer
    x = 195,094.19

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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.