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Finding the Fourth Proportional to 254,865.50, 351,714.80 and 141,688.25

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Solution

The fourth proportional to 254,865.50, 351,714.80 and 141,688.25 is: 195,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,865.50 : 351,714.80 = 141,688.25 : x
  2. Step 2: Convert to fraction form
    254,865.50/351,714.80 = 141,688.25/x
  3. Step 3: Cross multiply
    254,865.50x = 351,714.80 × 141,688.25
  4. Step 4: Simplify right side
    254,865.50x = 49,833,854,511.10
  5. Step 5: Solve for x
    x = 49,833,854,511.10/254,865.50
  6. Step 6: Final answer
    x = 195,530.01

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1.5x scale

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.